CN114164194B - 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 - Google Patents
施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 Download PDFInfo
- Publication number
- CN114164194B CN114164194B CN202111319543.6A CN202111319543A CN114164194B CN 114164194 B CN114164194 B CN 114164194B CN 202111319543 A CN202111319543 A CN 202111319543A CN 114164194 B CN114164194 B CN 114164194B
- Authority
- CN
- China
- Prior art keywords
- rna
- dna
- pspiwi
- nuclease
- pseudomonas stutzeri
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 101710163270 Nuclease Proteins 0.000 title claims abstract description 47
- 241000589516 Pseudomonas Species 0.000 title claims abstract description 30
- 241000589614 Pseudomonas stutzeri Species 0.000 claims abstract description 33
- 150000007523 nucleic acids Chemical class 0.000 claims abstract description 27
- 102000039446 nucleic acids Human genes 0.000 claims abstract description 25
- 108020004707 nucleic acids Proteins 0.000 claims abstract description 25
- 238000010362 genome editing Methods 0.000 claims abstract description 18
- 238000012239 gene modification Methods 0.000 claims abstract description 9
- 108020004414 DNA Proteins 0.000 claims description 51
- 102000053602 DNA Human genes 0.000 claims description 34
- 108091032973 (ribonucleotides)n+m Proteins 0.000 claims description 31
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 25
- 238000010008 shearing Methods 0.000 claims description 15
- 102000040650 (ribonucleotides)n+m Human genes 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 3
- 108090000623 proteins and genes Proteins 0.000 abstract description 59
- 102000004169 proteins and genes Human genes 0.000 abstract description 53
- 238000001514 detection method Methods 0.000 abstract description 9
- 102000004190 Enzymes Human genes 0.000 abstract description 7
- 108090000790 Enzymes Proteins 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 6
- 101001126085 Homo sapiens Piwi-like protein 1 Proteins 0.000 abstract description 5
- 102100029364 Piwi-like protein 1 Human genes 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 102000041193 Piwi family Human genes 0.000 abstract description 3
- 108091061182 Piwi family Proteins 0.000 abstract description 3
- 241000826355 Pseudomonas stutzeri DSM 4166 Species 0.000 abstract description 3
- 230000001404 mediated effect Effects 0.000 abstract description 3
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 235000018102 proteins Nutrition 0.000 description 47
- 230000000694 effects Effects 0.000 description 43
- 238000003776 cleavage reaction Methods 0.000 description 27
- 230000007017 scission Effects 0.000 description 27
- 108020004682 Single-Stranded DNA Proteins 0.000 description 16
- 108060004795 Methyltransferase Proteins 0.000 description 13
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- 230000007018 DNA scission Effects 0.000 description 11
- 102000008682 Argonaute Proteins Human genes 0.000 description 8
- 108010088141 Argonaute Proteins Proteins 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910021645 metal ion Inorganic materials 0.000 description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000002264 polyacrylamide gel electrophoresis Methods 0.000 description 5
- 102000004157 Hydrolases Human genes 0.000 description 4
- 108090000604 Hydrolases Proteins 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000003556 assay Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 239000013612 plasmid Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000002415 sodium dodecyl sulfate polyacrylamide gel electrophoresis Methods 0.000 description 4
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical compound Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- KZNQNBZMBZJQJO-UHFFFAOYSA-N N-glycyl-L-proline Natural products NCC(=O)N1CCCC1C(O)=O KZNQNBZMBZJQJO-UHFFFAOYSA-N 0.000 description 3
- 108010044940 alanylglutamine Proteins 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000001962 electrophoresis Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000013604 expression vector Substances 0.000 description 3
- 238000001502 gel electrophoresis Methods 0.000 description 3
- 108010077515 glycylproline Proteins 0.000 description 3
- 239000012160 loading buffer Substances 0.000 description 3
- 108010054155 lysyllysine Proteins 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 102000040430 polynucleotide Human genes 0.000 description 3
- 108091033319 polynucleotide Proteins 0.000 description 3
- 239000002157 polynucleotide Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- LZRNYBIJOSKKRJ-XVYDVKMFSA-N Ala-Asp-His Chemical compound C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)N LZRNYBIJOSKKRJ-XVYDVKMFSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ZZLDMBMFKZFQMU-NRPADANISA-N Gln-Val-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C)C(O)=O ZZLDMBMFKZFQMU-NRPADANISA-N 0.000 description 2
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 2
- JKSIBWITFMQTOA-XUXIUFHCSA-N Leu-Ile-Val Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(O)=O JKSIBWITFMQTOA-XUXIUFHCSA-N 0.000 description 2
- 102000016187 PAZ domains Human genes 0.000 description 2
- 108050004670 PAZ domains Proteins 0.000 description 2
- 230000007022 RNA scission Effects 0.000 description 2
- BYCVMHKULKRVPV-GUBZILKMSA-N Ser-Lys-Gln Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(N)=O)C(O)=O BYCVMHKULKRVPV-GUBZILKMSA-N 0.000 description 2
- 108091027548 SiDNA Proteins 0.000 description 2
- 108020004459 Small interfering RNA Proteins 0.000 description 2
- BTWMICVCQLKKNR-DCAQKATOSA-N Val-Leu-Ser Chemical compound CC(C)[C@H]([NH3+])C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C([O-])=O BTWMICVCQLKKNR-DCAQKATOSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001042 affinity chromatography Methods 0.000 description 2
- 108010093581 aspartyl-proline Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 108010050848 glycylleucine Proteins 0.000 description 2
- 108010036413 histidylglycine Proteins 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- BPHPUYQFMNQIOC-NXRLNHOXSA-N isopropyl beta-D-thiogalactopyranoside Chemical compound CC(C)S[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O BPHPUYQFMNQIOC-NXRLNHOXSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012139 lysis buffer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000001426 native polyacrylamide gel electrophoresis Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 108010061238 threonyl-glycine Proteins 0.000 description 2
- 108010073969 valyllysine Proteins 0.000 description 2
- BZTDTCNHAFUJOG-UHFFFAOYSA-N 6-carboxyfluorescein Chemical compound C12=CC=C(O)C=C2OC2=CC(O)=CC=C2C11OC(=O)C2=CC=C(C(=O)O)C=C21 BZTDTCNHAFUJOG-UHFFFAOYSA-N 0.000 description 1
- YYSWCHMLFJLLBJ-ZLUOBGJFSA-N Ala-Ala-Ser Chemical compound C[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@@H](CO)C(O)=O YYSWCHMLFJLLBJ-ZLUOBGJFSA-N 0.000 description 1
- NXSFUECZFORGOG-CIUDSAMLSA-N Ala-Asn-Leu Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(O)=O NXSFUECZFORGOG-CIUDSAMLSA-N 0.000 description 1
- QHASENCZLDHBGX-ONGXEEELSA-N Ala-Gly-Phe Chemical compound C[C@H](N)C(=O)NCC(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 QHASENCZLDHBGX-ONGXEEELSA-N 0.000 description 1
- LBFXVAXPDOBRKU-LKTVYLICSA-N Ala-His-Tyr Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O LBFXVAXPDOBRKU-LKTVYLICSA-N 0.000 description 1
- NMXKFWOEASXOGB-QSFUFRPTSA-N Ala-Ile-His Chemical compound C[C@H](N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@H](C(O)=O)CC1=CN=CN1 NMXKFWOEASXOGB-QSFUFRPTSA-N 0.000 description 1
- SUMYEVXWCAYLLJ-GUBZILKMSA-N Ala-Leu-Gln Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(N)=O)C(O)=O SUMYEVXWCAYLLJ-GUBZILKMSA-N 0.000 description 1
- PMQXMXAASGFUDX-SRVKXCTJSA-N Ala-Lys-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@@H](NC(=O)[C@H](C)N)CCCCN PMQXMXAASGFUDX-SRVKXCTJSA-N 0.000 description 1
- KYDYGANDJHFBCW-DRZSPHRISA-N Ala-Phe-Gln Chemical compound C[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCC(=O)N)C(=O)O)N KYDYGANDJHFBCW-DRZSPHRISA-N 0.000 description 1
- DCVYRWFAMZFSDA-ZLUOBGJFSA-N Ala-Ser-Ala Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(O)=O DCVYRWFAMZFSDA-ZLUOBGJFSA-N 0.000 description 1
- MSWSRLGNLKHDEI-ACZMJKKPSA-N Ala-Ser-Glu Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(O)=O)C(O)=O MSWSRLGNLKHDEI-ACZMJKKPSA-N 0.000 description 1
- HOVPGJUNRLMIOZ-CIUDSAMLSA-N Ala-Ser-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CO)NC(=O)[C@H](C)N HOVPGJUNRLMIOZ-CIUDSAMLSA-N 0.000 description 1
- ARHJJAAWNWOACN-FXQIFTODSA-N Ala-Ser-Val Chemical compound [H]N[C@@H](C)C(=O)N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(O)=O ARHJJAAWNWOACN-FXQIFTODSA-N 0.000 description 1
- IETUUAHKCHOQHP-KZVJFYERSA-N Ala-Thr-Val Chemical compound CC(C)[C@H](NC(=O)[C@@H](NC(=O)[C@H](C)N)[C@@H](C)O)C(O)=O IETUUAHKCHOQHP-KZVJFYERSA-N 0.000 description 1
- IEAUDUOCWNPZBR-LKTVYLICSA-N Ala-Trp-Gln Chemical compound C[C@@H](C(=O)N[C@@H](CC1=CNC2=CC=CC=C21)C(=O)N[C@@H](CCC(=O)N)C(=O)O)N IEAUDUOCWNPZBR-LKTVYLICSA-N 0.000 description 1
- 241000203069 Archaea Species 0.000 description 1
- HJVGMOYJDDXLMI-AVGNSLFASA-N Arg-Arg-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H](N)CCCNC(N)=N HJVGMOYJDDXLMI-AVGNSLFASA-N 0.000 description 1
- OTCJMMRQBVDQRK-DCAQKATOSA-N Arg-Asp-Leu Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O OTCJMMRQBVDQRK-DCAQKATOSA-N 0.000 description 1
- MFAMTAVAFBPXDC-LPEHRKFASA-N Arg-Asp-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CCCN=C(N)N)N)C(=O)O MFAMTAVAFBPXDC-LPEHRKFASA-N 0.000 description 1
- RKRSYHCNPFGMTA-CIUDSAMLSA-N Arg-Glu-Asn Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(N)=O)C(O)=O RKRSYHCNPFGMTA-CIUDSAMLSA-N 0.000 description 1
- ZATRYQNPUHGXCU-DTWKUNHWSA-N Arg-Gly-Pro Chemical compound C1C[C@@H](N(C1)C(=O)CNC(=O)[C@H](CCCN=C(N)N)N)C(=O)O ZATRYQNPUHGXCU-DTWKUNHWSA-N 0.000 description 1
- VRTWYUYCJGNFES-CIUDSAMLSA-N Arg-Ser-Gln Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(O)=O VRTWYUYCJGNFES-CIUDSAMLSA-N 0.000 description 1
- INOIAEUXVVNJKA-XGEHTFHBSA-N Arg-Thr-Ser Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CO)C(O)=O INOIAEUXVVNJKA-XGEHTFHBSA-N 0.000 description 1
- XRNXPIGJPQHCPC-RCWTZXSCSA-N Arg-Thr-Val Chemical compound CC(C)[C@H](NC(=O)[C@@H](NC(=O)[C@@H](N)CCCNC(N)=N)[C@@H](C)O)C(O)=O XRNXPIGJPQHCPC-RCWTZXSCSA-N 0.000 description 1
- WOZDCBHUGJVJPL-AVGNSLFASA-N Arg-Val-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCCN=C(N)N)N WOZDCBHUGJVJPL-AVGNSLFASA-N 0.000 description 1
- 239000004475 Arginine Substances 0.000 description 1
- ORXCYAFUCSTQGY-FXQIFTODSA-N Asn-Ala-Met Chemical compound C[C@@H](C(=O)N[C@@H](CCSC)C(=O)O)NC(=O)[C@H](CC(=O)N)N ORXCYAFUCSTQGY-FXQIFTODSA-N 0.000 description 1
- VYLVOMUVLMGCRF-ZLUOBGJFSA-N Asn-Asp-Ser Chemical compound NC(=O)C[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(O)=O VYLVOMUVLMGCRF-ZLUOBGJFSA-N 0.000 description 1
- CTQIOCMSIJATNX-WHFBIAKZSA-N Asn-Gly-Ala Chemical compound [H]N[C@@H](CC(N)=O)C(=O)NCC(=O)N[C@@H](C)C(O)=O CTQIOCMSIJATNX-WHFBIAKZSA-N 0.000 description 1
- OLVIPTLKNSAYRJ-YUMQZZPRSA-N Asn-Gly-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)CNC(=O)[C@H](CC(=O)N)N OLVIPTLKNSAYRJ-YUMQZZPRSA-N 0.000 description 1
- NLRJGXZWTKXRHP-DCAQKATOSA-N Asn-Leu-Arg Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O NLRJGXZWTKXRHP-DCAQKATOSA-N 0.000 description 1
- NCFJQJRLQJEECD-NHCYSSNCSA-N Asn-Leu-Val Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(O)=O NCFJQJRLQJEECD-NHCYSSNCSA-N 0.000 description 1
- KRXIWXCXOARFNT-ZLUOBGJFSA-N Asp-Ala-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](C)NC(=O)[C@@H](N)CC(O)=O KRXIWXCXOARFNT-ZLUOBGJFSA-N 0.000 description 1
- ZLGKHJHFYSRUBH-FXQIFTODSA-N Asp-Arg-Asp Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(O)=O ZLGKHJHFYSRUBH-FXQIFTODSA-N 0.000 description 1
- HMQDRBKQMLRCCG-GMOBBJLQSA-N Asp-Arg-Ile Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O HMQDRBKQMLRCCG-GMOBBJLQSA-N 0.000 description 1
- LKIYSIYBKYLKPU-BIIVOSGPSA-N Asp-Asp-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)O)N)C(=O)O LKIYSIYBKYLKPU-BIIVOSGPSA-N 0.000 description 1
- ACEDJCOOPZFUBU-CIUDSAMLSA-N Asp-Cys-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)[C@H](CS)NC(=O)[C@H](CC(=O)O)N ACEDJCOOPZFUBU-CIUDSAMLSA-N 0.000 description 1
- SPKCGKRUYKMDHP-GUDRVLHUSA-N Asp-Ile-Pro Chemical compound CC[C@H](C)[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@H](CC(=O)O)N SPKCGKRUYKMDHP-GUDRVLHUSA-N 0.000 description 1
- HKEZZWQWXWGASX-KKUMJFAQSA-N Asp-Leu-Phe Chemical compound OC(=O)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(O)=O)CC1=CC=CC=C1 HKEZZWQWXWGASX-KKUMJFAQSA-N 0.000 description 1
- LBOVBQONZJRWPV-YUMQZZPRSA-N Asp-Lys-Gly Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)NCC(O)=O LBOVBQONZJRWPV-YUMQZZPRSA-N 0.000 description 1
- MYLZFUMPZCPJCJ-NHCYSSNCSA-N Asp-Lys-Val Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(O)=O MYLZFUMPZCPJCJ-NHCYSSNCSA-N 0.000 description 1
- XXAMCEGRCZQGEM-ZLUOBGJFSA-N Asp-Ser-Asn Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CC(N)=O)C(O)=O XXAMCEGRCZQGEM-ZLUOBGJFSA-N 0.000 description 1
- YUELDQUPTAYEGM-XIRDDKMYSA-N Asp-Trp-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CNC2=CC=CC=C21)NC(=O)[C@H](CC(=O)O)N YUELDQUPTAYEGM-XIRDDKMYSA-N 0.000 description 1
- QOJJMJKTMKNFEF-ZKWXMUAHSA-N Asp-Val-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](C(C)C)NC(=O)[C@@H](N)CC(O)=O QOJJMJKTMKNFEF-ZKWXMUAHSA-N 0.000 description 1
- 108091033409 CRISPR Proteins 0.000 description 1
- 238000010354 CRISPR gene editing Methods 0.000 description 1
- 241000193171 Clostridium butyricum Species 0.000 description 1
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
- ZEXHDOQQYZKOIB-ACZMJKKPSA-N Cys-Glu-Ser Chemical compound [H]N[C@@H](CS)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O ZEXHDOQQYZKOIB-ACZMJKKPSA-N 0.000 description 1
- BLGNLNRBABWDST-CIUDSAMLSA-N Cys-Leu-Asp Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)O)NC(=O)[C@H](CS)N BLGNLNRBABWDST-CIUDSAMLSA-N 0.000 description 1
- 230000005971 DNA damage repair Effects 0.000 description 1
- 102000003844 DNA helicases Human genes 0.000 description 1
- 108090000133 DNA helicases Proteins 0.000 description 1
- 101150063735 DNASE1 gene Proteins 0.000 description 1
- 108010053770 Deoxyribonucleases Proteins 0.000 description 1
- 102000016911 Deoxyribonucleases Human genes 0.000 description 1
- 102000004533 Endonucleases Human genes 0.000 description 1
- 108010042407 Endonucleases Proteins 0.000 description 1
- 108010067770 Endopeptidase K Proteins 0.000 description 1
- 241000206602 Eukaryota Species 0.000 description 1
- 108091092584 GDNA Proteins 0.000 description 1
- YJIUYQKQBBQYHZ-ACZMJKKPSA-N Gln-Ala-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(O)=O YJIUYQKQBBQYHZ-ACZMJKKPSA-N 0.000 description 1
- MLZRSFQRBDNJON-GUBZILKMSA-N Gln-Ala-Lys Chemical compound C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCC(=O)N)N MLZRSFQRBDNJON-GUBZILKMSA-N 0.000 description 1
- WLODHVXYKYHLJD-ACZMJKKPSA-N Gln-Asp-Ser Chemical compound C(CC(=O)N)[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)O)N WLODHVXYKYHLJD-ACZMJKKPSA-N 0.000 description 1
- MCAVASRGVBVPMX-FXQIFTODSA-N Gln-Glu-Ala Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O MCAVASRGVBVPMX-FXQIFTODSA-N 0.000 description 1
- ITZWDGBYBPUZRG-KBIXCLLPSA-N Gln-Ile-Ser Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(O)=O ITZWDGBYBPUZRG-KBIXCLLPSA-N 0.000 description 1
- IOFDDSNZJDIGPB-GVXVVHGQSA-N Gln-Leu-Val Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(O)=O IOFDDSNZJDIGPB-GVXVVHGQSA-N 0.000 description 1
- YKLNMGJYMNPBCP-ACZMJKKPSA-N Glu-Asn-Asp Chemical compound C(CC(=O)O)[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CC(=O)O)C(=O)O)N YKLNMGJYMNPBCP-ACZMJKKPSA-N 0.000 description 1
- GGJOGFJIPPGNRK-JSGCOSHPSA-N Glu-Gly-Trp Chemical compound C1=CC=C2C(C[C@H](NC(=O)CNC(=O)[C@H](CCC(O)=O)N)C(O)=O)=CNC2=C1 GGJOGFJIPPGNRK-JSGCOSHPSA-N 0.000 description 1
- VGOFRWOTSXVPAU-SDDRHHMPSA-N Glu-His-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC2=CN=CN2)NC(=O)[C@H](CCC(=O)O)N)C(=O)O VGOFRWOTSXVPAU-SDDRHHMPSA-N 0.000 description 1
- SUIAHERNFYRBDZ-GVXVVHGQSA-N Glu-Lys-Val Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(O)=O SUIAHERNFYRBDZ-GVXVVHGQSA-N 0.000 description 1
- CBEUFCJRFNZMCU-SRVKXCTJSA-N Glu-Met-Leu Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(C)C)C(O)=O CBEUFCJRFNZMCU-SRVKXCTJSA-N 0.000 description 1
- SWDNPSMMEWRNOH-HJGDQZAQSA-N Glu-Pro-Thr Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(O)=O SWDNPSMMEWRNOH-HJGDQZAQSA-N 0.000 description 1
- UQULNJAARAXSPO-ZCWPNWOLSA-N Glu-Thr-Thr-Tyr Chemical compound OC(=O)CC[C@H](N)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 UQULNJAARAXSPO-ZCWPNWOLSA-N 0.000 description 1
- VIPDPMHGICREIS-GVXVVHGQSA-N Glu-Val-Leu Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(O)=O VIPDPMHGICREIS-GVXVVHGQSA-N 0.000 description 1
- VSVZIEVNUYDAFR-YUMQZZPRSA-N Gly-Ala-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)CN VSVZIEVNUYDAFR-YUMQZZPRSA-N 0.000 description 1
- VXKCPBPQEKKERH-IUCAKERBSA-N Gly-Arg-Pro Chemical compound NC(N)=NCCC[C@H](NC(=O)CN)C(=O)N1CCC[C@H]1C(O)=O VXKCPBPQEKKERH-IUCAKERBSA-N 0.000 description 1
- KKBWDNZXYLGJEY-UHFFFAOYSA-N Gly-Arg-Pro Natural products NCC(=O)NC(CCNC(=N)N)C(=O)N1CCCC1C(=O)O KKBWDNZXYLGJEY-UHFFFAOYSA-N 0.000 description 1
- DUYYPIRFTLOAJQ-YUMQZZPRSA-N Gly-Asn-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)N)NC(=O)CN DUYYPIRFTLOAJQ-YUMQZZPRSA-N 0.000 description 1
- MOJKRXIRAZPZLW-WDSKDSINSA-N Gly-Glu-Ala Chemical compound [H]NCC(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O MOJKRXIRAZPZLW-WDSKDSINSA-N 0.000 description 1
- XTQFHTHIAKKCTM-YFKPBYRVSA-N Gly-Glu-Gly Chemical compound NCC(=O)N[C@@H](CCC(O)=O)C(=O)NCC(O)=O XTQFHTHIAKKCTM-YFKPBYRVSA-N 0.000 description 1
- KMSGYZQRXPUKGI-BYPYZUCNSA-N Gly-Gly-Asn Chemical compound NCC(=O)NCC(=O)N[C@H](C(O)=O)CC(N)=O KMSGYZQRXPUKGI-BYPYZUCNSA-N 0.000 description 1
- PAWIVEIWWYGBAM-YUMQZZPRSA-N Gly-Leu-Ala Chemical compound NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(O)=O PAWIVEIWWYGBAM-YUMQZZPRSA-N 0.000 description 1
- YTSVAIMKVLZUDU-YUMQZZPRSA-N Gly-Leu-Asp Chemical compound [H]NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O YTSVAIMKVLZUDU-YUMQZZPRSA-N 0.000 description 1
- ULZCYBYDTUMHNF-IUCAKERBSA-N Gly-Leu-Glu Chemical compound NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(O)=O)C(O)=O ULZCYBYDTUMHNF-IUCAKERBSA-N 0.000 description 1
- MIIVFRCYJABHTQ-ONGXEEELSA-N Gly-Leu-Val Chemical compound [H]NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(O)=O MIIVFRCYJABHTQ-ONGXEEELSA-N 0.000 description 1
- IUKIDFVOUHZRAK-QWRGUYRKSA-N Gly-Lys-His Chemical compound NCCCC[C@H](NC(=O)CN)C(=O)N[C@H](C(O)=O)CC1=CN=CN1 IUKIDFVOUHZRAK-QWRGUYRKSA-N 0.000 description 1
- VEPBEGNDJYANCF-QWRGUYRKSA-N Gly-Lys-Lys Chemical compound NCCCC[C@@H](C(O)=O)NC(=O)[C@@H](NC(=O)CN)CCCCN VEPBEGNDJYANCF-QWRGUYRKSA-N 0.000 description 1
- ZLCLYFGMKFCDCN-XPUUQOCRSA-N Gly-Ser-Val Chemical compound CC(C)[C@H](NC(=O)[C@H](CO)NC(=O)CN)C(O)=O ZLCLYFGMKFCDCN-XPUUQOCRSA-N 0.000 description 1
- 108020005004 Guide RNA Proteins 0.000 description 1
- RVKIPWVMZANZLI-UHFFFAOYSA-N H-Lys-Trp-OH Natural products C1=CC=C2C(CC(NC(=O)C(N)CCCCN)C(O)=O)=CNC2=C1 RVKIPWVMZANZLI-UHFFFAOYSA-N 0.000 description 1
- XINDHUAGVGCNSF-QSFUFRPTSA-N His-Ala-Ile Chemical compound [H]N[C@@H](CC1=CNC=N1)C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O XINDHUAGVGCNSF-QSFUFRPTSA-N 0.000 description 1
- VTZYMXGGXOFBMX-DJFWLOJKSA-N His-Ile-Asp Chemical compound [H]N[C@@H](CC1=CNC=N1)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CC(O)=O)C(O)=O VTZYMXGGXOFBMX-DJFWLOJKSA-N 0.000 description 1
- YAALVYQFVJNXIV-KKUMJFAQSA-N His-Leu-Leu Chemical compound CC(C)C[C@@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC1=CN=CN1 YAALVYQFVJNXIV-KKUMJFAQSA-N 0.000 description 1
- QCBYAHHNOHBXIH-UWVGGRQHSA-N His-Pro-Gly Chemical compound C([C@H](N)C(=O)N1[C@@H](CCC1)C(=O)NCC(O)=O)C1=CN=CN1 QCBYAHHNOHBXIH-UWVGGRQHSA-N 0.000 description 1
- JRHFQUPIZOYKQP-KBIXCLLPSA-N Ile-Ala-Glu Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](C)C(=O)N[C@H](C(O)=O)CCC(O)=O JRHFQUPIZOYKQP-KBIXCLLPSA-N 0.000 description 1
- WECYRWOMWSCWNX-XUXIUFHCSA-N Ile-Arg-Leu Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](CC(C)C)C(O)=O WECYRWOMWSCWNX-XUXIUFHCSA-N 0.000 description 1
- HDODQNPMSHDXJT-GHCJXIJMSA-N Ile-Asn-Ser Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O HDODQNPMSHDXJT-GHCJXIJMSA-N 0.000 description 1
- MTFVYKQRLXYAQN-LAEOZQHASA-N Ile-Glu-Gly Chemical compound [H]N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCC(O)=O)C(=O)NCC(O)=O MTFVYKQRLXYAQN-LAEOZQHASA-N 0.000 description 1
- DFFTXLCCDFYRKD-MBLNEYKQSA-N Ile-Gly-Thr Chemical compound CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H]([C@@H](C)O)C(=O)O)N DFFTXLCCDFYRKD-MBLNEYKQSA-N 0.000 description 1
- SJLVSMMIFYTSGY-GRLWGSQLSA-N Ile-Ile-Glu Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCC(=O)O)C(=O)O)N SJLVSMMIFYTSGY-GRLWGSQLSA-N 0.000 description 1
- AXNGDPAKKCEKGY-QPHKQPEJSA-N Ile-Ile-Thr Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)O)C(=O)O)N AXNGDPAKKCEKGY-QPHKQPEJSA-N 0.000 description 1
- HPCFRQWLTRDGHT-AJNGGQMLSA-N Ile-Leu-Leu Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(O)=O HPCFRQWLTRDGHT-AJNGGQMLSA-N 0.000 description 1
- FQYQMFCIJNWDQZ-CYDGBPFRSA-N Ile-Pro-Pro Chemical compound CC[C@H](C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 FQYQMFCIJNWDQZ-CYDGBPFRSA-N 0.000 description 1
- DTPGSUQHUMELQB-GVARAGBVSA-N Ile-Tyr-Ala Chemical compound CC[C@H](C)[C@H](N)C(=O)N[C@H](C(=O)N[C@@H](C)C(O)=O)CC1=CC=C(O)C=C1 DTPGSUQHUMELQB-GVARAGBVSA-N 0.000 description 1
- JZBVBOKASHNXAD-NAKRPEOUSA-N Ile-Val-Ser Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CO)C(=O)O)N JZBVBOKASHNXAD-NAKRPEOUSA-N 0.000 description 1
- UILIPCLTHRPCRB-XUXIUFHCSA-N Leu-Arg-Ile Chemical compound CC[C@H](C)[C@@H](C(=O)O)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CC(C)C)N UILIPCLTHRPCRB-XUXIUFHCSA-N 0.000 description 1
- BPANDPNDMJHFEV-CIUDSAMLSA-N Leu-Asp-Ala Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](C)C(O)=O BPANDPNDMJHFEV-CIUDSAMLSA-N 0.000 description 1
- PJYSOYLLTJKZHC-GUBZILKMSA-N Leu-Asp-Gln Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(O)=O)CCC(N)=O PJYSOYLLTJKZHC-GUBZILKMSA-N 0.000 description 1
- CLVUXCBGKUECIT-HJGDQZAQSA-N Leu-Asp-Thr Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O CLVUXCBGKUECIT-HJGDQZAQSA-N 0.000 description 1
- QVFGXCVIXXBFHO-AVGNSLFASA-N Leu-Glu-Leu Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O QVFGXCVIXXBFHO-AVGNSLFASA-N 0.000 description 1
- APFJUBGRZGMQFF-QWRGUYRKSA-N Leu-Gly-Lys Chemical compound CC(C)C[C@H](N)C(=O)NCC(=O)N[C@H](C(O)=O)CCCCN APFJUBGRZGMQFF-QWRGUYRKSA-N 0.000 description 1
- POZULHZYLPGXMR-ONGXEEELSA-N Leu-Gly-Val Chemical compound CC(C)C[C@H](N)C(=O)NCC(=O)N[C@@H](C(C)C)C(O)=O POZULHZYLPGXMR-ONGXEEELSA-N 0.000 description 1
- AUBMZAMQCOYSIC-MNXVOIDGSA-N Leu-Ile-Gln Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCC(N)=O)C(O)=O AUBMZAMQCOYSIC-MNXVOIDGSA-N 0.000 description 1
- KYIIALJHAOIAHF-KKUMJFAQSA-N Leu-Leu-His Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(O)=O)CC1=CN=CN1 KYIIALJHAOIAHF-KKUMJFAQSA-N 0.000 description 1
- LXKNSJLSGPNHSK-KKUMJFAQSA-N Leu-Leu-Lys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)O)N LXKNSJLSGPNHSK-KKUMJFAQSA-N 0.000 description 1
- IEWBEPKLKUXQBU-VOAKCMCISA-N Leu-Leu-Thr Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O IEWBEPKLKUXQBU-VOAKCMCISA-N 0.000 description 1
- OVZLLFONXILPDZ-VOAKCMCISA-N Leu-Lys-Thr Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)O)C(O)=O OVZLLFONXILPDZ-VOAKCMCISA-N 0.000 description 1
- DDVHDMSBLRAKNV-IHRRRGAJSA-N Leu-Met-Leu Chemical compound [H]N[C@@H](CC(C)C)C(=O)N[C@@H](CCSC)C(=O)N[C@@H](CC(C)C)C(O)=O DDVHDMSBLRAKNV-IHRRRGAJSA-N 0.000 description 1
- PJWOOBTYQNNRBF-BZSNNMDCSA-N Leu-Phe-Lys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCCCN)C(=O)O)N PJWOOBTYQNNRBF-BZSNNMDCSA-N 0.000 description 1
- UCBPDSYUVAAHCD-UWVGGRQHSA-N Leu-Pro-Gly Chemical compound CC(C)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)NCC(O)=O UCBPDSYUVAAHCD-UWVGGRQHSA-N 0.000 description 1
- DPURXCQCHSQPAN-AVGNSLFASA-N Leu-Pro-Pro Chemical compound CC(C)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 DPURXCQCHSQPAN-AVGNSLFASA-N 0.000 description 1
- JDBQSGMJBMPNFT-AVGNSLFASA-N Leu-Pro-Val Chemical compound CC(C)C[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(C)C)C(O)=O JDBQSGMJBMPNFT-AVGNSLFASA-N 0.000 description 1
- LCNASHSOFMRYFO-WDCWCFNPSA-N Leu-Thr-Gln Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@H](C(O)=O)CCC(N)=O LCNASHSOFMRYFO-WDCWCFNPSA-N 0.000 description 1
- WBRJVRXEGQIDRK-XIRDDKMYSA-N Leu-Trp-Ser Chemical compound C1=CC=C2C(C[C@H](NC(=O)[C@@H](N)CC(C)C)C(=O)N[C@@H](CO)C(O)=O)=CNC2=C1 WBRJVRXEGQIDRK-XIRDDKMYSA-N 0.000 description 1
- QESXLSQLQHHTIX-RHYQMDGZSA-N Leu-Val-Thr Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H]([C@@H](C)O)C(O)=O QESXLSQLQHHTIX-RHYQMDGZSA-N 0.000 description 1
- MPGHETGWWWUHPY-CIUDSAMLSA-N Lys-Ala-Asp Chemical compound OC(=O)C[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCCCN MPGHETGWWWUHPY-CIUDSAMLSA-N 0.000 description 1
- AAORVPFVUIHEAB-YUMQZZPRSA-N Lys-Asp-Gly Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)NCC(O)=O AAORVPFVUIHEAB-YUMQZZPRSA-N 0.000 description 1
- ISHNZELVUVPCHY-ZETCQYMHSA-N Lys-Gly-Gly Chemical compound NCCCC[C@H](N)C(=O)NCC(=O)NCC(O)=O ISHNZELVUVPCHY-ZETCQYMHSA-N 0.000 description 1
- KZJQUYFDSCFSCO-DLOVCJGASA-N Lys-His-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CN=CN1)NC(=O)[C@H](CCCCN)N KZJQUYFDSCFSCO-DLOVCJGASA-N 0.000 description 1
- WVJNGSFKBKOKRV-AJNGGQMLSA-N Lys-Leu-Ile Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O WVJNGSFKBKOKRV-AJNGGQMLSA-N 0.000 description 1
- YXPJCVNIDDKGOE-MELADBBJSA-N Lys-Lys-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)N)C(=O)O YXPJCVNIDDKGOE-MELADBBJSA-N 0.000 description 1
- IPTUBUUIFRZMJK-ACRUOGEOSA-N Lys-Phe-Phe Chemical compound C([C@H](NC(=O)[C@@H](N)CCCCN)C(=O)N[C@@H](CC=1C=CC=CC=1)C(O)=O)C1=CC=CC=C1 IPTUBUUIFRZMJK-ACRUOGEOSA-N 0.000 description 1
- CNGOEHJCLVCJHN-SRVKXCTJSA-N Lys-Pro-Glu Chemical compound NCCCC[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(O)=O)C(O)=O CNGOEHJCLVCJHN-SRVKXCTJSA-N 0.000 description 1
- GIKFNMZSGYAPEJ-HJGDQZAQSA-N Lys-Thr-Asp Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(O)=O GIKFNMZSGYAPEJ-HJGDQZAQSA-N 0.000 description 1
- YKBSXQFZWFXFIB-VOAKCMCISA-N Lys-Thr-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H](CCCCN)C(O)=O YKBSXQFZWFXFIB-VOAKCMCISA-N 0.000 description 1
- VKCPHIOZDWUFSW-ONGXEEELSA-N Lys-Val-Gly Chemical compound OC(=O)CNC(=O)[C@H](C(C)C)NC(=O)[C@@H](N)CCCCN VKCPHIOZDWUFSW-ONGXEEELSA-N 0.000 description 1
- NYTDJEZBAAFLLG-IHRRRGAJSA-N Lys-Val-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(O)=O NYTDJEZBAAFLLG-IHRRRGAJSA-N 0.000 description 1
- VWJFOUBDZIUXGA-AVGNSLFASA-N Lys-Val-Met Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCSC)C(=O)O)NC(=O)[C@H](CCCCN)N VWJFOUBDZIUXGA-AVGNSLFASA-N 0.000 description 1
- BQVJARUIXRXDKN-DCAQKATOSA-N Met-Asn-His Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@H](C(O)=O)CC1=CNC=N1 BQVJARUIXRXDKN-DCAQKATOSA-N 0.000 description 1
- FVKRQMQQFGBXHV-QXEWZRGKSA-N Met-Asp-Val Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](C(C)C)C(O)=O FVKRQMQQFGBXHV-QXEWZRGKSA-N 0.000 description 1
- FZUNSVYYPYJYAP-NAKRPEOUSA-N Met-Ile-Ala Chemical compound [H]N[C@@H](CCSC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(O)=O FZUNSVYYPYJYAP-NAKRPEOUSA-N 0.000 description 1
- UNPGTBHYKJOCCZ-DCAQKATOSA-N Met-Lys-Ala Chemical compound CSCC[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(O)=O UNPGTBHYKJOCCZ-DCAQKATOSA-N 0.000 description 1
- VQILILSLEFDECU-GUBZILKMSA-N Met-Pro-Ala Chemical compound [H]N[C@@H](CCSC)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(O)=O VQILILSLEFDECU-GUBZILKMSA-N 0.000 description 1
- XIGAHPDZLAYQOS-SRVKXCTJSA-N Met-Pro-Pro Chemical compound CSCC[C@H](N)C(=O)N1CCC[C@H]1C(=O)N1[C@H](C(O)=O)CCC1 XIGAHPDZLAYQOS-SRVKXCTJSA-N 0.000 description 1
- WUGMRIBZSVSJNP-UHFFFAOYSA-N N-L-alanyl-L-tryptophan Natural products C1=CC=C2C(CC(NC(=O)C(N)C)C(O)=O)=CNC2=C1 WUGMRIBZSVSJNP-UHFFFAOYSA-N 0.000 description 1
- LDSOBEJVGGVWGD-DLOVCJGASA-N Phe-Asp-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H](N)CC1=CC=CC=C1 LDSOBEJVGGVWGD-DLOVCJGASA-N 0.000 description 1
- JWQWPTLEOFNCGX-AVGNSLFASA-N Phe-Glu-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H](N)CC1=CC=CC=C1 JWQWPTLEOFNCGX-AVGNSLFASA-N 0.000 description 1
- GHNVJQZQYKNTDX-HJWJTTGWSA-N Phe-Ile-Met Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCSC)C(O)=O GHNVJQZQYKNTDX-HJWJTTGWSA-N 0.000 description 1
- DNAXXTQSTKOHFO-QEJZJMRPSA-N Phe-Lys-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](N)CC1=CC=CC=C1 DNAXXTQSTKOHFO-QEJZJMRPSA-N 0.000 description 1
- UXQFHEKRGHYJRA-STQMWFEESA-N Phe-Met-Gly Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCSC)C(=O)NCC(O)=O UXQFHEKRGHYJRA-STQMWFEESA-N 0.000 description 1
- IAOZOFPONWDXNT-IXOXFDKPSA-N Phe-Ser-Thr Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(O)=O IAOZOFPONWDXNT-IXOXFDKPSA-N 0.000 description 1
- FRMKIPSIZSFTTE-HJOGWXRNSA-N Phe-Tyr-Phe Chemical compound [H]N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CC1=CC=CC=C1)C(O)=O FRMKIPSIZSFTTE-HJOGWXRNSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 102000052376 Piwi domains Human genes 0.000 description 1
- 108700038049 Piwi domains Proteins 0.000 description 1
- FZHBZMDRDASUHN-NAKRPEOUSA-N Pro-Ala-Ile Chemical compound CC[C@H](C)[C@H](NC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1)C(O)=O FZHBZMDRDASUHN-NAKRPEOUSA-N 0.000 description 1
- FUVBEZJCRMHWEM-FXQIFTODSA-N Pro-Asn-Ser Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O FUVBEZJCRMHWEM-FXQIFTODSA-N 0.000 description 1
- UTAUEDINXUMHLG-FXQIFTODSA-N Pro-Asp-Ala Chemical compound C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@@H]1CCCN1 UTAUEDINXUMHLG-FXQIFTODSA-N 0.000 description 1
- WPQKSRHDTMRSJM-CIUDSAMLSA-N Pro-Asp-Gln Chemical compound NC(=O)CC[C@@H](C(O)=O)NC(=O)[C@H](CC(O)=O)NC(=O)[C@@H]1CCCN1 WPQKSRHDTMRSJM-CIUDSAMLSA-N 0.000 description 1
- LANQLYHLMYDWJP-SRVKXCTJSA-N Pro-Gln-Lys Chemical compound C1C[C@H](NC1)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCCN)C(=O)O LANQLYHLMYDWJP-SRVKXCTJSA-N 0.000 description 1
- CLNJSLSHKJECME-BQBZGAKWSA-N Pro-Gly-Ala Chemical compound OC(=O)[C@H](C)NC(=O)CNC(=O)[C@@H]1CCCN1 CLNJSLSHKJECME-BQBZGAKWSA-N 0.000 description 1
- DRKAXLDECUGLFE-ULQDDVLXSA-N Pro-Leu-Phe Chemical compound CC(C)C[C@H](NC(=O)[C@@H]1CCCN1)C(=O)N[C@@H](Cc1ccccc1)C(O)=O DRKAXLDECUGLFE-ULQDDVLXSA-N 0.000 description 1
- MZNUJZBYRWXWLQ-AVGNSLFASA-N Pro-Met-His Chemical compound CSCC[C@@H](C(=O)N[C@@H](CC1=CN=CN1)C(=O)O)NC(=O)[C@@H]2CCCN2 MZNUJZBYRWXWLQ-AVGNSLFASA-N 0.000 description 1
- QAAYIXYLEMRULP-SRVKXCTJSA-N Pro-Pro-Met Chemical compound CSCC[C@@H](C(O)=O)NC(=O)[C@@H]1CCCN1C(=O)[C@H]1NCCC1 QAAYIXYLEMRULP-SRVKXCTJSA-N 0.000 description 1
- AIOWVDNPESPXRB-YTWAJWBKSA-N Pro-Thr-Pro Chemical compound C[C@H]([C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@@H]2CCCN2)O AIOWVDNPESPXRB-YTWAJWBKSA-N 0.000 description 1
- GZNYIXWOIUFLGO-ZJDVBMNYSA-N Pro-Thr-Thr Chemical compound [H]N1CCC[C@H]1C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O GZNYIXWOIUFLGO-ZJDVBMNYSA-N 0.000 description 1
- YIPFBJGBRCJJJD-FHWLQOOXSA-N Pro-Trp-Leu Chemical compound CC(C)C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CNC2=CC=CC=C21)NC(=O)[C@@H]3CCCN3 YIPFBJGBRCJJJD-FHWLQOOXSA-N 0.000 description 1
- 241000169446 Promethis Species 0.000 description 1
- 108091030071 RNAI Proteins 0.000 description 1
- 102000001218 Rec A Recombinases Human genes 0.000 description 1
- 108010055016 Rec A Recombinases Proteins 0.000 description 1
- 102000007056 Recombinant Fusion Proteins Human genes 0.000 description 1
- 108010008281 Recombinant Fusion Proteins Proteins 0.000 description 1
- 102000018120 Recombinases Human genes 0.000 description 1
- 108010091086 Recombinases Proteins 0.000 description 1
- 102000006382 Ribonucleases Human genes 0.000 description 1
- 108010083644 Ribonucleases Proteins 0.000 description 1
- 238000012300 Sequence Analysis Methods 0.000 description 1
- DKKGAAJTDKHWOD-BIIVOSGPSA-N Ser-Asn-Pro Chemical compound C1C[C@@H](N(C1)C(=O)[C@H](CC(=O)N)NC(=O)[C@H](CO)N)C(=O)O DKKGAAJTDKHWOD-BIIVOSGPSA-N 0.000 description 1
- IXCHOHLPHNGFTJ-YUMQZZPRSA-N Ser-Gly-His Chemical compound C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)CNC(=O)[C@H](CO)N IXCHOHLPHNGFTJ-YUMQZZPRSA-N 0.000 description 1
- KDGARKCAKHBEDB-NKWVEPMBSA-N Ser-Gly-Pro Chemical compound C1C[C@@H](N(C1)C(=O)CNC(=O)[C@H](CO)N)C(=O)O KDGARKCAKHBEDB-NKWVEPMBSA-N 0.000 description 1
- KCNSGAMPBPYUAI-CIUDSAMLSA-N Ser-Leu-Asn Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC(N)=O)C(O)=O KCNSGAMPBPYUAI-CIUDSAMLSA-N 0.000 description 1
- VMLONWHIORGALA-SRVKXCTJSA-N Ser-Leu-Leu Chemical compound CC(C)C[C@@H](C([O-])=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H]([NH3+])CO VMLONWHIORGALA-SRVKXCTJSA-N 0.000 description 1
- SNXUIBACCONSOH-BWBBJGPYSA-N Ser-Thr-Ser Chemical compound OC[C@H](N)C(=O)N[C@@H]([C@H](O)C)C(=O)N[C@@H](CO)C(O)=O SNXUIBACCONSOH-BWBBJGPYSA-N 0.000 description 1
- VLMIUSLQONKLDV-HEIBUPTGSA-N Ser-Thr-Thr Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O VLMIUSLQONKLDV-HEIBUPTGSA-N 0.000 description 1
- UKKROEYWYIHWBD-ZKWXMUAHSA-N Ser-Val-Asp Chemical compound [H]N[C@@H](CO)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O UKKROEYWYIHWBD-ZKWXMUAHSA-N 0.000 description 1
- 239000012505 Superdex™ Substances 0.000 description 1
- 241000589499 Thermus thermophilus Species 0.000 description 1
- UNURFMVMXLENAZ-KJEVXHAQSA-N Thr-Arg-Tyr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O UNURFMVMXLENAZ-KJEVXHAQSA-N 0.000 description 1
- OJRNZRROAIAHDL-LKXGYXEUSA-N Thr-Asn-Ser Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(O)=O OJRNZRROAIAHDL-LKXGYXEUSA-N 0.000 description 1
- XDARBNMYXKUFOJ-GSSVUCPTSA-N Thr-Asp-Thr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O XDARBNMYXKUFOJ-GSSVUCPTSA-N 0.000 description 1
- JMGJDTNUMAZNLX-RWRJDSDZSA-N Thr-Glu-Ile Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O JMGJDTNUMAZNLX-RWRJDSDZSA-N 0.000 description 1
- NIEWSKWFURSECR-FOHZUACHSA-N Thr-Gly-Asp Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)NCC(=O)N[C@@H](CC(O)=O)C(O)=O NIEWSKWFURSECR-FOHZUACHSA-N 0.000 description 1
- PAXANSWUSVPFNK-IUKAMOBKSA-N Thr-Ile-Asn Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)O)NC(=O)[C@H]([C@@H](C)O)N PAXANSWUSVPFNK-IUKAMOBKSA-N 0.000 description 1
- BVOVIGCHYNFJBZ-JXUBOQSCSA-N Thr-Leu-Ala Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(O)=O BVOVIGCHYNFJBZ-JXUBOQSCSA-N 0.000 description 1
- YOOAQCZYZHGUAZ-KATARQTJSA-N Thr-Leu-Ser Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CO)C(O)=O YOOAQCZYZHGUAZ-KATARQTJSA-N 0.000 description 1
- MEBDIIKMUUNBSB-RPTUDFQQSA-N Thr-Phe-Tyr Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O MEBDIIKMUUNBSB-RPTUDFQQSA-N 0.000 description 1
- BDENGIGFTNYZSJ-RCWTZXSCSA-N Thr-Pro-Met Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCSC)C(O)=O BDENGIGFTNYZSJ-RCWTZXSCSA-N 0.000 description 1
- IXEGQBJZDIRRIV-QEJZJMRPSA-N Trp-Asn-Glu Chemical compound [H]N[C@@H](CC1=CNC2=C1C=CC=C2)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(O)=O IXEGQBJZDIRRIV-QEJZJMRPSA-N 0.000 description 1
- DQDXHYIEITXNJY-BPUTZDHNSA-N Trp-Gln-Gln Chemical compound C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCC(=O)N)C(=O)O)N DQDXHYIEITXNJY-BPUTZDHNSA-N 0.000 description 1
- GIAMKIPJSRZVJB-IHPCNDPISA-N Trp-Phe-Ser Chemical compound C1=CC=C(C=C1)C[C@@H](C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CC2=CNC3=CC=CC=C32)N GIAMKIPJSRZVJB-IHPCNDPISA-N 0.000 description 1
- UOXPLPBMEPLZBW-WDSOQIARSA-N Trp-Val-Lys Chemical compound C1=CC=C2C(C[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(O)=O)=CNC2=C1 UOXPLPBMEPLZBW-WDSOQIARSA-N 0.000 description 1
- GIOBXJSONRQHKQ-RYUDHWBXSA-N Tyr-Gly-Glu Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)NCC(=O)N[C@@H](CCC(O)=O)C(O)=O GIOBXJSONRQHKQ-RYUDHWBXSA-N 0.000 description 1
- AXWBYOVVDRBOGU-SIUGBPQLSA-N Tyr-Ile-Gln Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)O)NC(=O)[C@H](CC1=CC=C(C=C1)O)N AXWBYOVVDRBOGU-SIUGBPQLSA-N 0.000 description 1
- ARJASMXQBRNAGI-YESZJQIVSA-N Tyr-Leu-Pro Chemical compound CC(C)C[C@@H](C(=O)N1CCC[C@@H]1C(=O)O)NC(=O)[C@H](CC2=CC=C(C=C2)O)N ARJASMXQBRNAGI-YESZJQIVSA-N 0.000 description 1
- BIWVVOHTKDLRMP-ULQDDVLXSA-N Tyr-Pro-Leu Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC(C)C)C(O)=O BIWVVOHTKDLRMP-ULQDDVLXSA-N 0.000 description 1
- CVUDMNSZAIZFAE-TUAOUCFPSA-N Val-Arg-Pro Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)N1CCC[C@@H]1C(=O)O)N CVUDMNSZAIZFAE-TUAOUCFPSA-N 0.000 description 1
- CVUDMNSZAIZFAE-UHFFFAOYSA-N Val-Arg-Pro Natural products NC(N)=NCCCC(NC(=O)C(N)C(C)C)C(=O)N1CCCC1C(O)=O CVUDMNSZAIZFAE-UHFFFAOYSA-N 0.000 description 1
- WKWJJQZZZBBWKV-JYJNAYRXSA-N Val-Arg-Tyr Chemical compound NC(N)=NCCC[C@H](NC(=O)[C@@H](N)C(C)C)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 WKWJJQZZZBBWKV-JYJNAYRXSA-N 0.000 description 1
- PVPAOIGJYHVWBT-KKHAAJSZSA-N Val-Asn-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](C(C)C)N)O PVPAOIGJYHVWBT-KKHAAJSZSA-N 0.000 description 1
- QHDXUYOYTPWCSK-RCOVLWMOSA-N Val-Asp-Gly Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)NCC(=O)O)N QHDXUYOYTPWCSK-RCOVLWMOSA-N 0.000 description 1
- YODDULVCGFQRFZ-ZKWXMUAHSA-N Val-Asp-Ser Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(O)=O YODDULVCGFQRFZ-ZKWXMUAHSA-N 0.000 description 1
- PWRITNSESKQTPW-NRPADANISA-N Val-Gln-Ser Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CO)C(=O)O)N PWRITNSESKQTPW-NRPADANISA-N 0.000 description 1
- ZXAGTABZUOMUDO-GVXVVHGQSA-N Val-Glu-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)O)N ZXAGTABZUOMUDO-GVXVVHGQSA-N 0.000 description 1
- XWYUBUYQMOUFRQ-IFFSRLJSSA-N Val-Glu-Thr Chemical compound C[C@H]([C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C(C)C)N)O XWYUBUYQMOUFRQ-IFFSRLJSSA-N 0.000 description 1
- BEGDZYNDCNEGJZ-XVKPBYJWSA-N Val-Gly-Gln Chemical compound CC(C)[C@H](N)C(=O)NCC(=O)N[C@H](C(O)=O)CCC(N)=O BEGDZYNDCNEGJZ-XVKPBYJWSA-N 0.000 description 1
- APQIVBCUIUDSMB-OSUNSFLBSA-N Val-Ile-Thr Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H]([C@@H](C)O)C(=O)O)NC(=O)[C@H](C(C)C)N APQIVBCUIUDSMB-OSUNSFLBSA-N 0.000 description 1
- VPGCVZRRBYOGCD-AVGNSLFASA-N Val-Lys-Val Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C(C)C)C(O)=O VPGCVZRRBYOGCD-AVGNSLFASA-N 0.000 description 1
- WSUWDIVCPOJFCX-TUAOUCFPSA-N Val-Met-Pro Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCSC)C(=O)N1CCC[C@@H]1C(=O)O)N WSUWDIVCPOJFCX-TUAOUCFPSA-N 0.000 description 1
- JMCOXFSCTGKLLB-FKBYEOEOSA-N Val-Phe-Trp Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC2=CNC3=CC=CC=C32)C(=O)O)N JMCOXFSCTGKLLB-FKBYEOEOSA-N 0.000 description 1
- XBJKAZATRJBDCU-GUBZILKMSA-N Val-Pro-Ala Chemical compound CC(C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(O)=O XBJKAZATRJBDCU-GUBZILKMSA-N 0.000 description 1
- SSYBNWFXCFNRFN-GUBZILKMSA-N Val-Pro-Ser Chemical compound CC(C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(O)=O SSYBNWFXCFNRFN-GUBZILKMSA-N 0.000 description 1
- DEGUERSKQBRZMZ-FXQIFTODSA-N Val-Ser-Ala Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(O)=O DEGUERSKQBRZMZ-FXQIFTODSA-N 0.000 description 1
- GBIUHAYJGWVNLN-AEJSXWLSSA-N Val-Ser-Pro Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CO)C(=O)N1CCC[C@@H]1C(=O)O)N GBIUHAYJGWVNLN-AEJSXWLSSA-N 0.000 description 1
- GBIUHAYJGWVNLN-UHFFFAOYSA-N Val-Ser-Pro Natural products CC(C)C(N)C(=O)NC(CO)C(=O)N1CCCC1C(O)=O GBIUHAYJGWVNLN-UHFFFAOYSA-N 0.000 description 1
- DLRZGNXCXUGIDG-KKHAAJSZSA-N Val-Thr-Asp Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)O)NC(=O)[C@H](C(C)C)N)O DLRZGNXCXUGIDG-KKHAAJSZSA-N 0.000 description 1
- RTJPAGFXOWEBAI-SRVKXCTJSA-N Val-Val-Arg Chemical compound CC(C)[C@H](N)C(=O)N[C@@H](C(C)C)C(=O)N[C@H](C(O)=O)CCCN=C(N)N RTJPAGFXOWEBAI-SRVKXCTJSA-N 0.000 description 1
- JSOXWWFKRJKTMT-WOPDTQHZSA-N Val-Val-Pro Chemical compound CC(C)[C@@H](C(=O)N[C@@H](C(C)C)C(=O)N1CCC[C@@H]1C(=O)O)N JSOXWWFKRJKTMT-WOPDTQHZSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 108010086434 alanyl-seryl-glycine Proteins 0.000 description 1
- KOSRFJWDECSPRO-UHFFFAOYSA-N alpha-L-glutamyl-L-glutamic acid Natural products OC(=O)CCC(N)C(=O)NC(CCC(O)=O)C(O)=O KOSRFJWDECSPRO-UHFFFAOYSA-N 0.000 description 1
- 125000000539 amino acid group Chemical group 0.000 description 1
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 1
- 108010091092 arginyl-glycyl-proline Proteins 0.000 description 1
- 108010059459 arginyl-threonyl-phenylalanine Proteins 0.000 description 1
- 108010084758 arginyl-tyrosyl-aspartic acid Proteins 0.000 description 1
- 108010069205 aspartyl-phenylalanine Proteins 0.000 description 1
- 108010038633 aspartylglutamate Proteins 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 108010054813 diprotin B Proteins 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 238000012869 ethanol precipitation Methods 0.000 description 1
- 239000013613 expression plasmid Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 108091008053 gene clusters Proteins 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000009368 gene silencing by RNA Effects 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- 108010078144 glutaminyl-glycine Proteins 0.000 description 1
- 108010055341 glutamyl-glutamic acid Proteins 0.000 description 1
- 108010073628 glutamyl-valyl-phenylalanine Proteins 0.000 description 1
- 108010049041 glutamylalanine Proteins 0.000 description 1
- 108010000434 glycyl-alanyl-leucine Proteins 0.000 description 1
- 108010075431 glycyl-alanyl-phenylalanine Proteins 0.000 description 1
- 108010078326 glycyl-glycyl-valine Proteins 0.000 description 1
- 108010015792 glycyllysine Proteins 0.000 description 1
- 108091070619 helicase family Proteins 0.000 description 1
- 102000040620 helicase family Human genes 0.000 description 1
- 108010092114 histidylphenylalanine Proteins 0.000 description 1
- 108010085325 histidylproline Proteins 0.000 description 1
- 230000007124 immune defense Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 108010031424 isoleucyl-prolyl-proline Proteins 0.000 description 1
- 108010044374 isoleucyl-tyrosine Proteins 0.000 description 1
- 229930027917 kanamycin Natural products 0.000 description 1
- SBUJHOSQTJFQJX-NOAMYHISSA-N kanamycin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N SBUJHOSQTJFQJX-NOAMYHISSA-N 0.000 description 1
- 229960000318 kanamycin Drugs 0.000 description 1
- 229930182823 kanamycin A Natural products 0.000 description 1
- 108010034529 leucyl-lysine Proteins 0.000 description 1
- 108010090333 leucyl-lysyl-proline Proteins 0.000 description 1
- 108010057821 leucylproline Proteins 0.000 description 1
- 108010038320 lysylphenylalanine Proteins 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000002773 nucleotide Substances 0.000 description 1
- 125000003729 nucleotide group Chemical group 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 108010073101 phenylalanylleucine Proteins 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000009465 prokaryotic expression Effects 0.000 description 1
- 108010029020 prolylglycine Proteins 0.000 description 1
- 108010015796 prolylisoleucine Proteins 0.000 description 1
- 108010053725 prolylvaline Proteins 0.000 description 1
- 239000011535 reaction buffer Substances 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- -1 salt ion Chemical class 0.000 description 1
- 108010071207 serylmethionine Proteins 0.000 description 1
- 238000012807 shake-flask culturing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- YZMCKZRAOLZXAZ-UHFFFAOYSA-N sulfisomidine Chemical group CC1=NC(C)=CC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 YZMCKZRAOLZXAZ-UHFFFAOYSA-N 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 108010027345 wheylin-1 peptide Proteins 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/16—Hydrolases (3) acting on ester bonds (3.1)
- C12N9/22—Ribonucleases RNAses, DNAses
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/113—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2310/00—Structure or type of the nucleic acid
- C12N2310/10—Type of nucleic acid
- C12N2310/20—Type of nucleic acid involving clustered regularly interspaced short palindromic repeats [CRISPRs]
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Genetics & Genomics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Plant Pathology (AREA)
- Enzymes And Modification Thereof (AREA)
Abstract
本发明涉及施氏假单胞杆菌来源的PsPIWI‑RE核酸酶及其应用,属于生物技术领域。本发明以PIWI‑RE家族为对象,首次公开施氏假单胞杆菌(Pseudomonasstutzeri DSM 4166)来源的PIWI‑RE(PsPIWI‑RE)的核酸酶催化特性和作用机制。本发明公开的蛋白、核酸、多酶体系、试剂盒和方法能够对细胞内和细胞外的遗传物质进行位点特异性修饰,为开发基于原核生物来源PIWI‑RE介导的基因编辑、修饰及分子检测技术提供了一种新工具,可应用于核酸检测、基因编辑和基因修饰等生物技术领域。该研究首次阐明PIWI‑RE蛋白工作模式,对于拓展对PIWI超家族的认识,挖掘PIWI家族的新型基因编辑酶具有重要的意义。
Description
技术领域
本发明属于生物技术领域,尤其是涉及一种施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用。
背景技术
Argonaute(Ago)蛋白具有短链siRNA/DNA引导的单链DNA/RNA剪切特性,在特定位点切割与siRNA/DNA互补配对的DNA/RNA底物,研究表明其在生物体细胞免疫防御及代谢调控中发挥重要作用。真核生物中作为knockdown目标基因的RNAi技术就是依赖Ago蛋白对靶标RNA的剪切功能,并已成功用于药物开发和疾病治疗。近年来,原核生物Ago同源蛋白(pAgo),尤其是来源于高温细菌和古菌的,表现了在单链、短DNA或RNA指导的DNA剪切功能,显示了在遗传调控方面的潜力。与目前通用的CRISPR相关酶(Cas)相比,其以碱基配对为基础的精准核酸剪切特性是一致的,然而一方面pAgo对靶标序列无特定motif(PAM/protospacer adjacent motif)的要求,显示了更广泛的基因编辑潜力;另一方面pAgo仅对单链DNA(ssDNA)具有剪切作用,而Cas系统酶则对双链DNA(dsDNA)具有催化作用,这限制了pAgo酶对基因组的编辑,因此以Ago为工具实现体内基因编辑还鲜有报道。理解Ago蛋白的作用机制、探索其对双链DNA的作用规律,并开发广谱基因编辑工具的潜力亟需深入研究。因此挖掘Ago家族新成员,开发更加高效、特异的新Ago蛋白显得尤为重要。
研究报道,常温微生物来源的Ago蛋白能在体外使用一对指导链剪切质粒DNA,例如来自嗜中温原核生物Clostridium butyricum和Limnothrix rosea的CbAgo以及LrAgo等蛋白能够在常温(37℃)条件下利用siDNA guide特异性剪切单链DNA(ssDNA),也能利用一对siDNA guide剪切双链质粒DNA。但是,它们剪切双链DNA的能力很大程度上取决于双链DNA的GC含量,即其活性依赖于双链DNA的局部解旋。当剪切部位的GC含量高于31%时,双链DNA解旋有限,因此无法实现剪切。利用Ago蛋白在常温下剪切任意GC含量的质粒DNA或线性双链DNA底物,尚未见报道。
因此,寻找能与解旋作用相协同的Ago内切酶,将有利于提高对双链DNA的作用,为基因编辑提供新工具酶。
Eric等人报道了Thermus thermophilus来源的UvrD解旋酶同源蛋白在高温条件下促进TtAgo剪切线性双链DNA。对不同来源的中温解旋酶研究较多,然而其协助中温Ago实现双链DNA剪切尚无报道。本申请的发明人前期也探索了E.coli来源的RecA同源重组酶等蛋白质与NgAgo、CbAgo等蛋白的多酶组合对双链DNA的剪切作用,尚未发现明显的剪切效果。自然界是否已进化能协助Ago蛋白进行基因组编辑的解旋酶尚不可知。
2013年,A Maxwell Burroughs等人通过对基因组序列分析,报道了两类新型PIWI家族蛋白,其中来源于原核生物的新型PIWI蛋白含有两个保守的氨基酸残基:精氨酸(R)和谷氨酸(E),因此被称为PIWI-RE家族。结构预测表明,PIWI-RE家族蛋白C端含有相对保守的PIWI domain和MID domain,而N端大的未知结构域(N端结构域)取代了典型Argonaute蛋白的N端结构域和PAZ结构域。进一步分析表明,具有核酸酶催化残基(DEDX)motif的Ago仅存在于少部分PIWI-RE家族成员中,推测它们具有内切酶活性。值得注意的是,部分PIWI-RE蛋白基因在原核生物基因组中不是单独存在,而是与预测的DinG解旋酶在同一基因簇。DinG解旋酶属于SF-II解旋酶家族,具有依赖于ATP的DNA解旋酶活性,一般认为其参与DNA损伤修复途径。Oleg等人报道DinG解旋酶在跨活性转录单位的复制过程中特别参与了R-loops的解开。由于PIWI-RE与DinG解旋酶基因簇所代表的可能是一类新的Argonaute蛋白:PIWI-RE具有推测的单链DNA/RNA指导的DNA剪切活性,并可能通过与DinG解旋酶“合作”实现双链DNA的剪切。该类蛋白的催化机制和生理功能尚未见报道。对PIWI-RE及DinG解旋酶酶学特性及体内作用机制的分析,将有利于揭示PIWI-RE蛋白机器的生物学功能,发展新型基因编辑技术系统。
发明内容
基于现有技术的现状,本发明提供一种施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用。
本发明的目的可以通过以下技术方案来实现:
本发明首先提供一种施氏假单胞杆菌来源的PsPIWI-RE核酸酶,其氨基酸序列如SEQ ID NO.1所示。
进一步地,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶具体来源于施氏假单胞杆菌(Pseudomonas stutzeri)DSM4166菌株。
本发明还提供一种编码所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶的多核苷酸。
在本发明的一个实施方式中,编码所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶的多核苷酸的基因序列如SEQ ID NO.2所示。
本发明还提供施氏假单胞杆菌来源的PsPIWI-RE核酸酶的应用,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为基因编辑或基因修饰工具的应用。
进一步地,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为RNA指导的DNA剪切工具的应用。
在本发明的一个实施方式中,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为RNA指导的DNA剪切工具时,引导PsPIWI-RE发挥剪切活性的guide长度范围为10-30nt。
进一步地,5’OH-RNA,5’P-RNA引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssDNA的特异性剪切。
在本发明的一个实施方式中,21nt 5’P-RNA的氨基酸序列如SEQ ID NO.5所示,21nt5’OH-RNA的氨基酸序列如SEQ ID NO.6所示。
进一步地,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为DNA指导的RNA剪切工具的应用。
5’OH-DNA,5’P-DNA引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssRNA的特异性剪切。
在本发明的一个实施方式中,21nt 5’P-DNA的氨基酸序列如SEQ ID NO.3所示,21nt 5’OH-DNA的氨基酸序列如SEQ ID NO.4所示。
在本发明的一个实施方式中,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为DNA指导的RNA剪切工具时,引导PsPIWI-RE发挥剪切活性的guide长度范围为10-30nt。
在本发明的一个实施方式中,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为基因编辑或基因修饰工具的应用条件为20-65℃范围内,优选为55℃。
在本发明的一个实施方式中,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为基因编辑或基因修饰工具的应用条件为:在含有Mg2+和Mn2+的条件下使用。
本发明还提供一种包含编码所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶的多核苷酸的表达载体。
本发明还提供一种包含所述表达载体的病毒载体。
本发明还提供一种多酶体系,包括所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶,同时还包括DinG解旋酶,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶通过与DinG解旋酶“合作”实现双链DNA的剪切。
本发明还提供一种多酶体系,包括所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶,同时还包括短核酸链guide;
所述短核酸链guide选择为5’OH-RNA或5’P-RNA时,所述短核酸链guide引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssDNA的特异性剪切;
所述短核酸链guide选择为5’OH-DNA或5’P-DNA时,所述短核酸链guide所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssRNA的特异性剪切。
在本发明的一个实施方式中,所述短核酸链guide长度范围为10-30nt。
在本发明的一个实施方式中,21nt 5’P-RNA的氨基酸序列如SEQ ID NO.5所示,21nt5’OH-RNA的氨基酸序列如SEQ ID NO.6所示。21nt 5’P-DNA的氨基酸序列如SEQ IDNO.3所示,21nt 5’OH-DNA的氨基酸序列如SEQ ID NO.4所示。
本发明还提供一种试剂盒,包括所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶,同时还包括DinG解旋酶,所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶通过与DinG解旋酶“合作”实现双链DNA的剪切。
本发明还提供一种试剂盒,包括所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶,同时还包括短核酸链guide;
所述短核酸链guide选择为5’OH-RNA或5’P-RNA时,所述短核酸链guide引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssDNA的特异性剪切;
所述短核酸链guide选择为5’OH-DNA或5’P-DNA时,所述短核酸链guide所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssRNA的特异性剪切。
在本发明的一个实施方式中,所述试剂盒中还包括有含有Mg2+或Mn2+的盐。
与现有技术相比,本发明以PIWI-RE家族为对象,首次公开施氏假单胞杆菌(Pseudomonas stutzeri DSM 4166)来源的PIWI-RE(PsPIWI-RE)的核酸酶催化特性和作用机制。该研究首次阐明PIWI-RE蛋白工作模式,对于拓展对PIWI超家族的认识,挖掘PIWI家族的新型基因编辑酶具有重要的意义。
本发明公开的蛋白、核酸、多酶体系、试剂盒和方法能够对细胞内和细胞外的遗传物质进行位点特异性修饰,为开发基于原核生物来源PIWI-RE介导的基因编辑、修饰及分子检测技术提供了一种新工具,可应用于核酸检测、基因编辑和基因修饰等生物技术领域。
附图说明
图1:PIWI-RE与常见Argonaute进化树分析结果。
图2:PsPIWI-RE蛋白分子筛纯化A280吸收峰图。
图3:PsPIWI-RE蛋白SDS-PAGE检测结果,黑色箭头所指为PsPIWI-RE蛋白条带。
图4:PsPIWI-RE结合核酸酶切结果,Dnase1为DNA水解酶,Rnase H为RNA水解酶。
图5:EMSA试验检测PsPIWI-RE对5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide的结合情况。
图6:PsPIWI-RE对单链DNA底物的特异性剪切活性,5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide分别与PsPIWI-RE蛋白孵育后,加入78nt单链DNA底物(Target),变性PAGE凝胶电泳检测剪切结果。
图7:PsPIWI-RE对单链RNA底物的特异性剪切活性,5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide分别与PsPIWI-RE蛋白孵育后,加入45nt单链RNA底物(Target),变性PAGE凝胶电泳检测剪切结果。
图8:温度对PsPIWI-RE活性的影响。以5’OH-RNA为guide,78nt单链DNA为target,在不同温度下进行target剪切试验,检测温度对PsPIWI-RE活性的影响。
图9:Guide长度对PsPIWI-RE活性的影响,分别以不同长度的5’OH-RNA为guide进行target剪切试验。
图10:金属离子对PsPIWI-RE活性的影响,不同金属离子作为辅基添加到PsPIWI-RE介导的DNA剪切体系。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。
实施例1
PIWI-RE是PIWI超家族家族远缘蛋白的验证
将典型的PIWI-RE蛋白与常见的Argonaute蛋白进行进化树分析,结果如图1所示,结果显示,PIWI-RE属于PIWI超家族远缘蛋白家族,与常见Argonaute蛋白亲缘关系较远,独立为独特的一个亚家族。
本申请以下实施例中选取来源于施氏假单胞杆菌(Pseudomonas stutzeri)DSM4166菌株的PIWI-RE蛋白(PsPIWI-RE)为对象,描述了该蛋白及其同基因簇DinG解旋酶(PsDinG2)的相互关系。
来源于施氏假单胞杆菌(Pseudomonas stutzeri)DSM4166菌株的PIWI-RE蛋白(PsPIWI-RE),命名为PsPIWI-RE,氨基酸序列如SEQ ID NO.1所示。
来源于施氏假单胞杆菌(Pseudomonas stutzeri)DSM4166菌株的PIWI-RE蛋白(PsPIWI-RE)的基因序列如SEQ ID NO.2所示。
实施例2
重组蛋白表达与纯化
来自施氏假单胞杆菌DSM4166菌株的PIWI-RE蛋白(PsPIWI-RE,Accessionnumber:WP_014597637.1)编码基因经过密码子优化后,克隆到表达载体pET28a(pET28a-PsPIWI-RE)。用该质粒转化大肠杆菌BL21(DE3),挑取单克隆菌落接种到含有卡那霉素的LB液体培养基中,摇瓶培养过夜,按照1:100转接到1L LB液体培养基继续培养至OD600=0.6-0.8时,加入终浓度为0.5mM的IPTG,转为20℃,200rpm培养16h。离心收集菌体,以LysisBuffer(20mM Tris–HCl pH 7.5,1M NaCl,10mM咪唑)重悬菌体,高压破碎。12000rpm离心30min,收集上清。以Ni-NTA亲和层析柱纯化。纯化时,以含有20mM imidazole的lysisbuffer洗涤20个柱体积,以含有200mM咪唑的lysis buffer洗脱5-10ml。洗脱蛋白经过分子筛(GE HealthCare,Superdex 200Increase 10/300GL)纯化后,浓缩到浓度为1mg/mL,蛋白冻存于-80℃冰箱。SDS-PAGE检测蛋白质纯度。
PsPIWI-RE蛋白分子筛纯化A280吸收峰图如图2所示,PsPIWI-RE蛋白SDS-PAGE检测结果如图3所示,黑色箭头所指为PsPIWI-RE蛋白条带。原核表达的PsPIWI-RE蛋白浓度为1mg/ml,SDS-PAGE检测显示蛋白纯度较高,无明显杂质蛋白,说明制备的PsPIWI-RE蛋白可用于活性检测。
实施例3
PIWI-RE蛋白共结合核酸提取
携带PsPIWI-RE表达质粒(pET28a-PsPIWI-RE)的大肠杆菌BL21(DE3)菌株,经过IPTG诱导后,离心收菌,以Lysis Buffer(20mM Tris–HCl pH 7.5,250mM NaCl,10mMimidazole)重悬菌体,高压破碎。12000rpm离心30min,收集上清。以Ni-NTA亲和层析柱纯化。以含有20mM imidazole的Lysis buffer洗涤20个柱体积,以含有200mM咪唑的lysisbuffer洗脱5-10ml。取纯化的蛋白1mL加入蛋白酶K处理1小时,加入等体积苯酚:氯仿:异戊醇(25:24:1),上清中的核酸经过乙醇沉淀后,加入30-50μL水溶解,核酸被分成三份,一份加入DNase处理,一份加入RNase处理,一份为无核酸酶处理对照。样品用8%天然PAGE凝胶电泳检测。
为探究PsPIWI-RE蛋白的底物类型,本实施例中,PsPIWI-RE被克隆并表达于大肠杆菌BL21(DE3)菌株中。提取与PsPIWI-RE共纯化的核酸并分析其成分。PsPIWI-RE结合核酸酶切结果如图4所示,Dnase1为DNA水解酶,Rnase H为RNA水解酶。结果显示,与PsPIWI-RE共纯化的核酸主要能够被DnaseⅠ水解,而不能够被Rnase H水解,表明在大肠杆菌内,PsPIWI-RE主要结合的核酸是DNA。
实施例4
EMSA试验
为说明PsPIWI-RE蛋白对短链核苷酸的能力,选取四种不同guide 5’P-DNA、5’OH-DNA、5’P-RNA、5’OH-RNA,每条guide 3’端修饰6-FAM荧光基团,序列为5’-TGAGGTAGTAGGTTGTATAGT-3’(其中RNA guide序列T为U)进行EMSA试验。
具体而言,21nt 5’P-DNA的氨基酸序列如SEQ ID NO.3所示。
21nt 5’OH-DNA的氨基酸序列如SEQ ID NO.4所示。
21nt 5’P-RNA的氨基酸序列如SEQ ID NO.5所示。
21nt5’OH-RNA的氨基酸序列如SEQ ID NO.6所示。
1μM上述guide链与不同浓度的PsPIWI-RE蛋白在室温孵育20min,以8%Native-PAGE电泳检测PsPIWI-RE与guide结合情况。
为了进一步探究PsPIWI-RE的指导链类型,本实施例中,EMSA试验被设置用于分析PsPIWI-RE与四种不类型的21nt短核酸链(gDNA/gRNA):5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA之间的结合情况。
EMSA试验检测PsPIWI-RE对5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide的结合情况如图5所示。
结果显示,PsPIWI-RE对四种不同的短核酸链都具有结合能力。
实施例5
PsPIWI-RE的核酸酶活性试验
将终浓度为1μM不同类型的guide和5μM PsPIWI-RE蛋白分别孵育于发反应缓冲液(20mM Tris–HCl pH 7.5,250mM NaCl,2mM DTT,10mM MgCl2),室温放置15min,加入0.2μM78nt target DNA链(5’-TCGTAAATAATTTAATTACTATACAACCTACTACCTCGTATAAATTTTTAAATAAATATTGCATTCAAGCTTTTAAT-6-FAM-3’,Sequence ID NO.15),37℃反应2h,加入等体积2×loading buffer(生工生物工程(上海)股份有限公司,B548642),16%Urea-PAGE电泳检测剪切结果。
本实施例设计单链DNA剪切试验用于确定PsPIWI-RE是否具有RNA/DNA指导的DNA剪切活性。PsPIWI-RE分别与4种不同的21nt短链核酸(5’OH-RNA,5’P-RNA,5’OH-DNA,5’P-DNA)孵育后检测不同指导链条件下PsPIWI-RE对ssDNA或ssRNA的剪切活性。
PsPIWI-RE对单链DNA底物的特异性剪切活性,5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide分别与PsPIWI-RE蛋白孵育后,加入78nt单链DNA底物(Target),变性PAGE凝胶电泳检测剪切结果如图6所示。
78nt单链DNATarget序列如SEQ ID NO.15所示。
PsPIWI-RE对单链RNA底物的特异性剪切活性,5’P-DNA、5’P-RNA、5’OH-DNA、5’OH-RNA四种不同guide分别与PsPIWI-RE蛋白孵育后,加入45nt单链RNA底物(Target),变性PAGE凝胶电泳检测剪切结果如图7所示。
45nt单链RNA底物(Target)序列如SEQ ID NO.16所示。
结果显示,5’OH-RNA,5’P-RNA可以引导PsPIWI-RE对配对ssDNA的特异性剪切,5’OH-DNA,5’P-DNA可以引导PsPIWI-RE对配对ssRNA的特异性剪切。以上数据表明,PsPIWI-RE虽然不具有典型的N端domian和PAZ domain,但保留了常见Ago蛋白的活性,在常温下RNA指导的DNA剪切,或者DNA指导的RNA剪切活性。相较于已经公开的其他Argonaute蛋白的DNA指导的DNA剪切活性,PsPIWI-RE的剪切活性具有独特性和特异性,在基于Ago蛋白的基因编辑、基因检测等应用方面具有重要意义。
PsPIWI-RE反应条件的优化:
温度对PsPIWI-RE活性的影响:
对于温度梯度试验,将上述反应体系置于不同温度下反应,在不同温度条件下PsPIWI-RE活性进行检测。选择21nt 5’OH-RNA为guide链,78nt ssDNA为target,设置温度梯度为:20、30、37、45、55、65、75、85℃。37℃反应2h,加入等体积2×loading buffer(生工生物工程(上海)股份有限公司,B548642),16%Urea-PAGE电泳检测剪切结果。
21nt5’OH-RNA的序列如SEQ ID NO.6所示。
在不同温度下进行target剪切试验,检测温度对PsPIWI-RE活性的影响,结果如图8所示,结果显示PsPIWI-RE在20-65℃范围内均有活性,在55℃活性最高。
Guide长度对PsPIWI-RE活性的影响:
对于guide长度试验,将上述反应体系中的guide长度换成8、10、12、14、16、18、21、25、30nt的5’OH-RNA。37℃反应2h,加入等体积2×loading buffer(生工生物工程(上海)股份有限公司,B548642),16%Urea-PAGE电泳检测剪切结果。
具体而言,8nt 5’OH-RNA的氨基酸序列如SEQ ID NO.7所示。
10nt 5’OH-RNA的序列如SEQ ID NO.8所示。
12nt 5’OH-RNA的序列如SEQ ID NO.9所示。
14nt 5’OH-RNA的序列如SEQ ID NO.10所示。
16nt 5’OH-RNA的序列如SEQ ID NO.11所示。
18nt 5’OH-RNA的序列如SEQ ID NO.12所示。
21nt5’OH-RNA的序列如SEQ ID NO.6所示。
25nt 5’OH-RNA的序列如SEQ ID NO.13所示。
31nt 5’OH-RNA的序列如SEQ ID NO.14所示。
Guide长度对PsPIWI-RE活性的影响结果如图9所示,结果显示,引导PsPIWI-RE发挥剪切活性的guide长度范围为10-30nt。
盐离子浓度的和金属离子对PsPIWI-RE活力的影响:
使用不同的金属离子作为辅基分析PsPIWI-RE的DNA剪切活性,PsPIWI-RE使用Mg2 +、Mn2+、Co2+为辅基。
对于不同金属离子试验,将上述反应中的10mM MgCl2,替换成10mM FeCl2、CoCl2、CuCl2、NiCl2、MgCl2、MnCl2、ZnCl2、CaCl2溶液。
金属离子对PsPIWI-RE活性的影响结果如图10所示,结果表明,在含有Mg2+和Mn2+的条件下活性较高。
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和使用发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改,并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此,本发明不限于上述实施例,本领域技术人员根据本发明的揭示,不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。
序列表
<110> 上海交通大学
<120> 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用
<160> 16
<170> SIPOSequenceListing 1.0
<210> 1
<211> 783
<212> PRT
<213> 施氏假单胞杆菌(Pseudomonas stutzeri)
<400> 1
Met Lys Ala Leu Glu Leu Arg Thr Ser Leu Phe Lys Phe Asp Ala Thr
1 5 10 15
Gln Leu Gly Gln Ala Tyr Arg Val Val Ile Gly Pro Gln Tyr Leu Asp
20 25 30
Ala Trp Gln Ala Leu Gln Gly Leu Val Lys Lys Pro His Pro Gly Leu
35 40 45
Pro Thr Thr Gly Leu Glu Glu Met Leu Ala Val Leu Ser Arg Gly Pro
50 55 60
Val Lys Val Asp Leu Phe Pro Gln Lys Lys Gly Gly Val Ser Ala Ile
65 70 75 80
Leu Met Leu Tyr Pro Leu Ser Val Asp Thr Ile Asn Glu Val Leu His
85 90 95
Leu Trp Ser Met Asp Val Leu Arg Ile Trp Asn Glu Gln Leu Val Gly
100 105 110
Ile Glu Gly Lys Leu Ile Val Thr Asp Val Val Pro Leu Asp Thr Ser
115 120 125
Arg Leu Val Thr Pro Gly Asp Ile Ser Ser Leu Ala Tyr Thr Val Ile
130 135 140
Pro Trp Leu Val Gly Gln Ala Leu Ile Gln Thr Pro Met Gln Ala Ala
145 150 155 160
Arg Pro Ile Lys Leu Tyr Gln Ala Ala Asp Ser Ser Leu Leu Ala Trp
165 170 175
Asp Asp Pro Ile Val Ser Glu Asn Asp Val Arg Tyr Ala Ser Ala Leu
180 185 190
His Ala Ile Glu Pro Thr Leu Val Leu Leu His Gly Arg Pro Gln Pro
195 200 205
Tyr Ile Gln Leu Arg Val Lys Leu Thr Gln Val Met Pro Asn Leu Val
210 215 220
Gly Lys Lys Lys His Ala Trp Val Lys Thr Gly Asp Leu Ile Val Lys
225 230 235 240
Ala Lys Leu Lys Thr Lys Lys Thr Asp Glu Gly Trp Glu Thr Thr Tyr
245 250 255
Glu His Pro Val Glu Lys Leu Leu Thr Phe Met Gly Val Gln Ser Phe
260 265 270
Pro Pro Met Val Asp Gly Asp Ile Pro Val Asp Ser Asp Val Arg Pro
275 280 285
Ile Tyr Ala Ile Pro Pro Ser Asn Pro Met Ile Ala Ser Gly Pro Gly
290 295 300
Pro Leu Phe Leu Asp Gln Ala Gly Phe His Leu Leu Ala Ser Leu Pro
305 310 315 320
Gly Thr Ala Pro Leu Leu Val Lys Lys Ala Val Ala Ser Leu Arg Glu
325 330 335
Glu Lys Val Val Asn Thr Gly Glu Ala Ala Asn Leu Asn Ala Met Val
340 345 350
Leu Ala Ala His Ala Asp Val Met Leu Arg Leu His Ala Ala Ser Thr
355 360 365
Thr Leu Ala Gln Asp Ser Lys Phe Phe Asp Lys Val Met Pro Pro Leu
370 375 380
Val Ala Leu Thr Arg Leu Asp Val Pro Asp Ala Gln Arg Met Leu Glu
385 390 395 400
Gly Lys His Asp Ser Asn Ser Leu Asn Asp Trp Leu Met Asn His Val
405 410 415
Val Pro Ala Ser Lys Gln Ala Ser Glu Asn Gly Ala Lys Val Met Ile
420 425 430
Val Glu Thr Ser Thr Ser Ala Ala Ser Gln Glu Ala Gly Leu Asp Pro
435 440 445
Lys His Val Ile Arg Arg Val Leu Ala Lys His Gly Ile Ala Thr Gln
450 455 460
Phe Ile Met His Ile Asp Pro Asp Ala Gln Ala Lys Arg Arg Lys Thr
465 470 475 480
Lys Ala Asp Asp Arg Asp Phe Lys Ala Thr Asn Ser Ile Ile Glu Ala
485 490 495
Ile Arg Leu Ser Gly His Leu Pro Val Pro Thr Pro Lys Val Lys Ser
500 505 510
Met Pro Ala Ser Thr Thr Val Leu Ser Ile Leu Leu Asp Arg Ile Gln
515 520 525
Asp Lys Gly Pro Ala Ile Tyr Leu Pro Val Ile Thr Arg Thr Val Leu
530 535 540
Gly Gly Asn Lys Pro Glu Val Phe Trp Phe Glu Ser Cys Leu Asp Ser
545 550 555 560
Asn Gly Lys Trp Phe Ser Tyr Gly Glu Gly Leu Ala Ala Ile His Gly
565 570 575
Thr Asp Thr Leu Leu Lys Pro Asp Gln Leu Lys Thr Leu Val Thr Gln
580 585 590
Ser Leu Leu Asp Cys Lys Ile Asn Ser Asn Asp Ser Leu Ile Val Cys
595 600 605
Leu Asp Ala Asn Leu Arg Thr Phe Tyr Gly Ala Leu Lys Asp Gly Pro
610 615 620
Gly Glu Gly Leu Pro Pro Val Pro Ser Asp Ala Ala Val Val Arg Ile
625 630 635 640
Arg Ala Asp His Gln Val Ala Gln Ile Ser Gly Asn His Thr Leu Ser
645 650 655
Pro Asn Ser Ala His Tyr Ile Gly Thr Lys Val Gly Ala Phe Gln Ser
660 665 670
Cys Glu Ser Ala Ser Val Phe Tyr Phe Val Ser Pro Ser Lys Gln Tyr
675 680 685
Gly Ser Val Arg Ser Gln Arg Glu Asn Thr Arg Tyr Asp Val Ser Glu
690 695 700
Arg Asp Leu Arg Asp Pro Trp Gln Gln Leu Gly Val Thr Glu Ile Thr
705 710 715 720
Ile Ile Thr Pro Gly Ala Phe Ser Thr Ala Thr Val Ile Ala Glu Gln
725 730 735
Val Ala Leu Leu Cys Arg Asn Pro Ser Leu Trp Asp Gly Tyr Leu Arg
740 745 750
Leu Pro Gly Pro Met His Leu Gly Lys Gln Val Ala Ala Asp His Pro
755 760 765
Ile Leu Glu Met Arg Arg Lys Ser Glu Ala Asn Arg Tyr Gly Asn
770 775 780
<210> 2
<211> 2352
<212> DNA
<213> 施氏假单胞杆菌(Pseudomonas stutzeri)
<400> 2
atgaaggccc ttgagctacg caccagccta ttcaaatttg atgcgaccca attggggcaa 60
gcctaccgtg tggtaatcgg cccccagtat ctcgacgcgt ggcaagcgct tcaggggctg 120
gttaaaaagc cacatccggg cctgcctacg acaggattgg aggagatgct tgccgttctt 180
tcccggggcc ccgtaaaggt ggacctattc ccccaaaaaa agggcggtgt ctcggcaatt 240
ctcatgctct atccgctgtc ggtcgacact atcaacgagg tgctccacct atggtcgatg 300
gacgtcctta ggatttggaa cgagcaactg gtcggcattg aaggaaagtt gatcgtcacc 360
gacgtggtgc cgctggatac aagtcgtcta gtcacgcctg gagacatttc atcgctcgcg 420
tatacggtca ttccttggct ggtgggacaa gccctcatac aaacgcccat gcaggcagcg 480
aggcccatca agctgtacca ggcagctgat tccagcttgc ttgcatggga tgaccctatc 540
gtttccgaaa atgatgtccg atatgccagt gcactgcatg ctatcgaacc gactcttgtc 600
ttgctgcacg gtcggccgca gccctacatc cagctacgtg tgaaactgac ccaggtgatg 660
cccaaccttg taggcaagaa aaaacatgcc tgggtcaaaa ccggcgacct gatcgtcaaa 720
gcgaagctca aaaccaagaa gacggacgaa ggctgggaaa ctacgtacga gcaccctgtc 780
gagaagctgc tgaccttcat gggcgtacag tcgtttcctc caatggtcga cggcgacatc 840
cccgtcgaca gcgacgtgag acccatctac gccatcccac cgtcaaatcc aatgattgcg 900
tcaggccctg gcccgctgtt cctcgaccaa gccggctttc acctccttgc aagtctgcct 960
ggaacggctc cgcttctggt caagaaggcg gtggctagct tacgagagga gaaggttgtc 1020
aacacgggag aggccgccaa tctgaacgcg atggtactcg cagcacacgc tgacgtgatg 1080
ctgcggctac atgcagccag taccaccctg gcccaggaca gcaagttctt cgataaggtg 1140
atgcctcctc tcgtggcact gacacgcctg gatgtaccgg acgcgcagcg aatgcttgaa 1200
ggaaaacatg acagcaacag cctaaacgac tggctaatga accatgtggt gcccgctagc 1260
aagcaggctt ctgaaaatgg cgcaaaggta atgatcgttg agaccagtac gtccgctgcc 1320
tctcaggaag cagggctaga ccccaagcac gtcattcgaa gggtactggc aaagcacggc 1380
atcgcgaccc agttcatcat gcatatcgac cctgatgcac aagctaagag gcggaagacc 1440
aaagcggatg atcgtgattt caaagctacc aactcgatca tcgaagcgat tcgactaagc 1500
gggcacctcc ccgttccgac gcccaaagta aaatcgatgc cggcgagcac aacggtgctg 1560
tcgattttgc tggatagaat tcaggataaa ggcccggcca tctatctgcc ggttatcacc 1620
cggacggtgt tgggcgggaa taaaccagag gttttctggt tcgaatcttg cttggactcc 1680
aatggcaaat ggttcagcta cggcgagggc ttggccgcca tccacgggac ggacactctg 1740
ctcaagcctg accaattgaa gacattggtc acccaatcct tgctggactg caagatcaat 1800
tcgaacgact cgttgatcgt ctgcctcgat gccaatctaa gaaccttcta tggagcattg 1860
aaagatggcc ccggggaggg tcttcctccc gtcccatcag atgccgctgt cgtccgcatt 1920
cgagccgatc accaggtagc acagatcagc ggcaaccaca ccttgtctcc caactcggct 1980
cactacatcg ggacgaaggt gggagctttt caatcttgcg agagcgcctc ggtattttat 2040
ttcgtgtcac cgtctaagca gtacggcagc gttcgctcac agcgcgagaa cacaagatac 2100
gacgtatcag aacgagacct gcgagatcca tggcagcagt tgggcgtaac agaaatcacg 2160
atcataacgc ccggggcatt tagcactgcg acagtgatcg ctgaacaggt cgccttgctg 2220
tgcaggaacc cttcactgtg ggacggctac ctgcgtctgc ctgggcccat gcacttgggc 2280
aaacaagtag cggcagacca tccaattttg gaaatgcgac gcaagtctga agcgaaccgg 2340
tatggaaatt ag 2352
<210> 3
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 3
tgaggtagta ggttgtatag t 21
<210> 4
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 4
tgaggtagta ggttgtatag t 21
<210> 5
<211> 21
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 5
ugagguagua gguuguauag u 21
<210> 6
<211> 21
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 6
ugagguagua gguuguauag u 21
<210> 7
<211> 8
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 7
ugagguag 8
<210> 8
<211> 10
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 8
ugagguagua 10
<210> 9
<211> 12
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 9
ugagguagua gg 12
<210> 10
<211> 14
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 10
ugagguagua gguu 14
<210> 11
<211> 16
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 11
ugagguagua gguugu 16
<210> 12
<211> 18
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 12
ugagguagua gguuguau 18
<210> 13
<211> 25
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 13
ugagguagua gguuguauag uauau 25
<210> 14
<211> 31
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 14
ugagguagua gguuguauag uauauuaaau u 31
<210> 15
<211> 78
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 15
tcgtaaataa tttaatatac tatacaacct actacctcgt ataaattttt aaataaatat 60
tgcattcaag cttttaat 78
<210> 16
<211> 45
<212> RNA
<213> 人工序列(Artificial Sequence)
<400> 16
auauacuaua caaccuacua ccucguauaa auuuuuaaau aaaua 45
Claims (2)
1.一种施氏假单胞杆菌来源的PsPIWI-RE核酸酶的应用,其特征在于,
5’OH-RNA,5’P-RNA引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssDNA的特异性剪切,5’P-RNA的氨基酸序列如SEQ ID NO.5所示, 5’OH-RNA的氨基酸序列如SEQ IDNO.6所示;或,
5’OH-DNA,5’P-DNA引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssRNA的特异性剪切,5’P-DNA的氨基酸序列如SEQ ID NO.3所示,5’OH-DNA的氨基酸序列如SEQ IDNO.4所示;
施氏假单胞杆菌来源的PsPIWI-RE核酸酶氨基酸序列如SEQ ID NO.1所示;
所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为基因编辑或基因修饰工具的应用条件为20-65℃;
所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶作为基因编辑或基因修饰工具的应用条件为:在含有Mg2+和Mn2+的条件下使用。
2.一种多酶试剂盒,其特征在于,包括施氏假单胞杆菌来源的PsPIWI-RE核酸酶、短核酸链guide,以及含有Mg2+或Mn2+的盐,
施氏假单胞杆菌来源的PsPIWI-RE核酸酶氨基酸序列如SEQ ID NO.1所示;
所述短核酸链guide选择为5’OH-RNA或5’P-RNA时,5’P-RNA的氨基酸序列如SEQ IDNO.5所示,5’OH-RNA的氨基酸序列如SEQ ID NO.6所示,所述短核酸链guide引导所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssDNA的特异性剪切;
所述短核酸链guide选择为5’OH-DNA或5’P-DNA 时,5’P-DNA的氨基酸序列如SEQ IDNO.3所示,5’OH-DNA的氨基酸序列如SEQ ID NO.4所示,所述短核酸链guide所述施氏假单胞杆菌来源的PsPIWI-RE核酸酶对配对ssRNA的特异性剪切。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111319543.6A CN114164194B (zh) | 2021-11-09 | 2021-11-09 | 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111319543.6A CN114164194B (zh) | 2021-11-09 | 2021-11-09 | 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114164194A CN114164194A (zh) | 2022-03-11 |
CN114164194B true CN114164194B (zh) | 2024-04-02 |
Family
ID=80478364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111319543.6A Active CN114164194B (zh) | 2021-11-09 | 2021-11-09 | 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114164194B (zh) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112538470A (zh) * | 2020-12-11 | 2021-03-23 | 湖北大学 | 一种原核生物来源的Argonaute蛋白及其应用 |
-
2021
- 2021-11-09 CN CN202111319543.6A patent/CN114164194B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112538470A (zh) * | 2020-12-11 | 2021-03-23 | 湖北大学 | 一种原核生物来源的Argonaute蛋白及其应用 |
Non-Patent Citations (3)
Title |
---|
"Acession NO:WP_014597637.1,MULTISPECIES: RNaseH domain-containing protein [Stutzerimonas]";NCBI;Genbank database;features, origin * |
NCBI."Acession NO:WP_014597637.1,MULTISPECIES: RNaseH domain-containing protein [Stutzerimonas]".Genbank database.2021,features,origin. * |
Two novel PIWI families: roles in inter-genomic conflicts in bacteria and Mediator-dependent modulation of transcription in eukaryotes;A Maxwell burroughs;BIOLOGY DIRECT;第8卷(第13期);对比文件2第3-5页"Structural and architectural features"一小节,第10-11页"Conclusions"一节 * |
Also Published As
Publication number | Publication date |
---|---|
CN114164194A (zh) | 2022-03-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7223377B2 (ja) | 熱安定性cas9ヌクレアーゼ | |
Allers et al. | Improved strains and plasmid vectors for conditional overexpression of His-tagged proteins in Haloferax volcanii | |
CN107922931B (zh) | 热稳定的Cas9核酸酶 | |
Jiao et al. | In situ enhancement of surfactin biosynthesis in Bacillus subtilis using novel artificial inducible promoters | |
KR102647766B1 (ko) | 클래스 ii, 타입 v crispr 시스템 | |
KR102210322B1 (ko) | Rna-안내 게놈 편집의 특이성을 증가시키기 위한 rna-안내 foki 뉴클레아제(rfn)의 용도 | |
KR20190059966A (ko) | S. 피오게네스 cas9 돌연변이 유전자 및 이에 의해 암호화되는 폴리펩티드 | |
US20170191047A1 (en) | Adenosine-specific rnase and methods of use | |
US11761001B2 (en) | Mbp_Argonaute proteins from prokaryotes and applications thereof | |
WO2019072596A1 (en) | THERMOSTABLE CAS9 NUCLEASES WITH OFF-TARGET ACTIVITY | |
US20240110178A1 (en) | Application of prokaryotic argonaute protein with only rna target cleavage activity in rna editing | |
KR101064783B1 (ko) | mRNA 인터퍼라제를 이용하여 살아 있는 세포에서 단일 단백질 생산을 촉진하는 방법 | |
Ingle et al. | Discovery and initial characterization of YloC, a novel endoribonuclease in Bacillus subtilis | |
CN114164194B (zh) | 施氏假单胞杆菌来源的PsPIWI-RE核酸酶及其应用 | |
CN110093390B (zh) | 受DNA guide引导的具有核酸内切酶活性的RecJ蛋白及其在基因编辑中的应用 | |
CN109735516B (zh) | 受核苷酸片段引导具有特异核酸内切酶活性的piwi蛋白 | |
WO2005017144A1 (ja) | dsRNA分解およびRNA合成方法 | |
KR20060100370A (ko) | RnaseⅢ 활성을 가지는 폴리펩티드 | |
WO2019243467A1 (en) | Fusion moieties and microbial hosts for protein production | |
Xiao et al. | Expression and Bioinformatics Analysis of Pectate Lyase Gene from Bacillus subtilis521 | |
CN118207181A (zh) | 一种宽温度适用性的T4噬菌体重组酶UvsX突变体及其应用 | |
Setayesh et al. | Cloning, molecular characterization and expression of a DNA-ligase from a new bacteriophage: Phax1 | |
Pagan | Identification of a putative nuclease from Thermococcus thioreducens |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |