DE2217745A1 - Reine, kristalline penicillinacylase und verfahren zu ihrer herstellung - Google Patents
Reine, kristalline penicillinacylase und verfahren zu ihrer herstellungInfo
- Publication number
- DE2217745A1 DE2217745A1 DE19722217745 DE2217745A DE2217745A1 DE 2217745 A1 DE2217745 A1 DE 2217745A1 DE 19722217745 DE19722217745 DE 19722217745 DE 2217745 A DE2217745 A DE 2217745A DE 2217745 A1 DE2217745 A1 DE 2217745A1
- Authority
- DE
- Germany
- Prior art keywords
- penicillin acylase
- enzyme
- exchanger
- pure
- acylase
- 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.)
- Pending
Links
- 108010073038 Penicillin Amidase Proteins 0.000 title claims abstract description 33
- 239000000440 bentonite Substances 0.000 claims abstract description 15
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 15
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 241000588724 Escherichia coli Species 0.000 claims abstract description 13
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002425 crystallisation Methods 0.000 claims abstract description 9
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 8
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 8
- 102000004190 Enzymes Human genes 0.000 claims description 38
- 108090000790 Enzymes Proteins 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 24
- 150000002500 ions Chemical class 0.000 claims description 10
- 150000001450 anions Chemical class 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 7
- 239000000287 crude extract Substances 0.000 claims description 7
- 239000006228 supernatant Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- -1 aluminum silicates Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002156 adsorbate Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 9
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 abstract description 8
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 abstract description 3
- NGHVIOIJCVXTGV-ALEPSDHESA-N 6-aminopenicillanic acid Chemical compound [O-]C(=O)[C@H]1C(C)(C)S[C@@H]2[C@H]([NH3+])C(=O)N21 NGHVIOIJCVXTGV-ALEPSDHESA-N 0.000 abstract description 2
- NGHVIOIJCVXTGV-UHFFFAOYSA-N 6beta-amino-penicillanic acid Natural products OC(=O)C1C(C)(C)SC2C(N)C(=O)N21 NGHVIOIJCVXTGV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 238000004255 ion exchange chromatography Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 26
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 12
- 238000010828 elution Methods 0.000 description 9
- 229920005654 Sephadex Polymers 0.000 description 8
- 239000012507 Sephadex™ Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000001556 precipitation Methods 0.000 description 8
- 102000004169 proteins and genes Human genes 0.000 description 8
- 108090000623 proteins and genes Proteins 0.000 description 8
- 239000001632 sodium acetate Substances 0.000 description 8
- 235000017281 sodium acetate Nutrition 0.000 description 8
- 239000001913 cellulose Substances 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 7
- 108700023418 Amidases Proteins 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 102000005922 amidase Human genes 0.000 description 6
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 229930182555 Penicillin Natural products 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 235000019371 penicillin G benzathine Nutrition 0.000 description 5
- 229940056360 penicillin g Drugs 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000000499 gel Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 150000002960 penicillins Chemical class 0.000 description 3
- 229960003424 phenylacetic acid Drugs 0.000 description 3
- 239000003279 phenylacetic acid Substances 0.000 description 3
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GUBGYTABKSRVRQ-WFVLMXAXSA-N DEAE-cellulose Chemical compound OC1C(O)C(O)C(CO)O[C@H]1O[C@@H]1C(CO)OC(O)C(O)C1O GUBGYTABKSRVRQ-WFVLMXAXSA-N 0.000 description 2
- 229920002307 Dextran Polymers 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229960004050 aminobenzoic acid Drugs 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000008363 phosphate buffer Substances 0.000 description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 description 2
- 239000008057 potassium phosphate buffer Substances 0.000 description 2
- 235000011009 potassium phosphates Nutrition 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- JVIPLYCGEZUBIO-UHFFFAOYSA-N 2-(4-fluorophenyl)-1,3-dioxoisoindole-5-carboxylic acid Chemical compound O=C1C2=CC(C(=O)O)=CC=C2C(=O)N1C1=CC=C(F)C=C1 JVIPLYCGEZUBIO-UHFFFAOYSA-N 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- KZZWQCKYLNIOBT-UHFFFAOYSA-N 5-amino-2-nitrobenzoic acid Chemical compound NC1=CC=C([N+]([O-])=O)C(C(O)=O)=C1 KZZWQCKYLNIOBT-UHFFFAOYSA-N 0.000 description 1
- KNIUHBNRWZGIQQ-UHFFFAOYSA-N 7-diethoxyphosphinothioyloxy-4-methylchromen-2-one Chemical compound CC1=CC(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 KNIUHBNRWZGIQQ-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 241000194107 Bacillus megaterium Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920001425 Diethylaminoethyl cellulose Polymers 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- AZCVBVRUYHKWHU-MBNYWOFBSA-N Penicillin X Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=C(O)C=C1 AZCVBVRUYHKWHU-MBNYWOFBSA-N 0.000 description 1
- 241000187747 Streptomyces Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229940024606 amino acid Drugs 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000012870 ammonium sulfate precipitation Methods 0.000 description 1
- 229960000723 ampicillin Drugs 0.000 description 1
- AVKUERGKIZMTKX-NJBDSQKTSA-N ampicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=CC=C1 AVKUERGKIZMTKX-NJBDSQKTSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229960001230 asparagine Drugs 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001142 circular dichroism spectrum Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 239000012149 elution buffer Substances 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000002523 gelfiltration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001155 isoelectric focusing Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- AZCVBVRUYHKWHU-UHFFFAOYSA-N penicillin X Natural products O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)CC1=CC=C(O)C=C1 AZCVBVRUYHKWHU-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007974 sodium acetate buffer Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 239000001648 tannin Substances 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)
- C12N9/78—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5)
- C12N9/80—Hydrolases (3) acting on carbon to nitrogen bonds other than peptide bonds (3.5) acting on amide bonds in linear amides (3.5.1)
- C12N9/84—Penicillin amidase (3.5.1.11)
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Genetics & Genomics (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Mycology (AREA)
- Enzymes And Modification Thereof (AREA)
Priority Applications (25)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE790075D BE790075A (fr) | 1971-10-14 | Procede de preparation de penicillinacylase cristalline pure etproduit obtenu | |
| DE19722217745 DE2217745A1 (de) | 1972-04-13 | 1972-04-13 | Reine, kristalline penicillinacylase und verfahren zu ihrer herstellung |
| DD166135A DD101684A5 (enExample) | 1971-10-14 | 1972-10-10 | |
| BG21586A BG22085A3 (enExample) | 1971-10-14 | 1972-10-10 | |
| FI281572A FI49310C (fi) | 1972-04-13 | 1972-10-11 | Menetelmä puhtaan, kiteisen penisilliiniasylaasin valmistamiseksi. |
| IL7240548A IL40548A (en) | 1971-10-14 | 1972-10-11 | Pure crystalline penicillin acylase and its preparation |
| LU66286A LU66286A1 (enExample) | 1971-10-14 | 1972-10-12 | |
| EG420/72A EG10948A (en) | 1971-10-14 | 1972-10-12 | Improvements in and relating to a process for producing penicillin acylase |
| CH1490472A CH576485A5 (enExample) | 1971-10-14 | 1972-10-12 | |
| CA153,721A CA1014496A (en) | 1971-10-14 | 1972-10-12 | Penicillin acylase |
| AT875872A AT318146B (de) | 1971-10-14 | 1972-10-12 | Verfahren zur Herstellung von reiner, kristalliner Penicillinacylase |
| JP10167972A JPS57790B2 (enExample) | 1971-10-14 | 1972-10-12 | |
| FR7236383A FR2156353B1 (enExample) | 1971-10-14 | 1972-10-13 | |
| ES407600A ES407600A1 (es) | 1971-10-14 | 1972-10-13 | Procedimiento para la obtencion de penicilinacilasa crista-lina pura. |
| NO3693/72A NO137598C (no) | 1971-10-14 | 1972-10-13 | Fremgangsmaate til fremstilling av ren, krystallinsk penicillinacylase |
| IE1390/72A IE36761B1 (en) | 1971-10-14 | 1972-10-13 | Improvements in and relating to penicillin acylase |
| SE7213239A SE405860B (sv) | 1971-10-14 | 1972-10-13 | Sett att framstella rent kristallint penicillinacylas |
| NLAANVRAGE7213899,A NL175640C (nl) | 1971-10-14 | 1972-10-13 | Werkwijze voor het bereiden van gezuiverd penicilline-acylase. |
| AR244616A AR193765A1 (es) | 1971-10-14 | 1972-10-13 | Procedimiento para la produccion de penicillanicilasa cristalina pura |
| RO7272506A RO68218A (ro) | 1971-10-14 | 1972-10-13 | Procedeu pentru realizarea penicilinacilazei cristalina pura |
| HUBA2813A HU165175B (enExample) | 1971-10-14 | 1972-10-13 | |
| GB4736272A GB1375743A (enExample) | 1971-10-14 | 1972-10-13 | |
| DK509472A DK139521C (da) | 1971-10-14 | 1972-10-13 | Fremgangsmaade til fremstilling af ren krystallinsk penicillinacylase |
| PL1972158245A PL83713B1 (enExample) | 1971-10-14 | 1972-10-13 | |
| US297856A US3871962A (en) | 1971-10-14 | 1972-10-16 | Penicillin acylase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722217745 DE2217745A1 (de) | 1972-04-13 | 1972-04-13 | Reine, kristalline penicillinacylase und verfahren zu ihrer herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2217745A1 true DE2217745A1 (de) | 1973-10-18 |
Family
ID=5841796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722217745 Pending DE2217745A1 (de) | 1971-10-14 | 1972-04-13 | Reine, kristalline penicillinacylase und verfahren zu ihrer herstellung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2217745A1 (enExample) |
| FI (1) | FI49310C (enExample) |
-
1972
- 1972-04-13 DE DE19722217745 patent/DE2217745A1/de active Pending
- 1972-10-11 FI FI281572A patent/FI49310C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| FI49310B (enExample) | 1975-01-31 |
| FI49310C (fi) | 1975-05-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OHN | Withdrawal |