CN118742641A - Cas12a核酸内切酶变体及使用方法 - Google Patents

Cas12a核酸内切酶变体及使用方法 Download PDF

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Publication number
CN118742641A
CN118742641A CN202380023337.1A CN202380023337A CN118742641A CN 118742641 A CN118742641 A CN 118742641A CN 202380023337 A CN202380023337 A CN 202380023337A CN 118742641 A CN118742641 A CN 118742641A
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China
Prior art keywords
endonuclease
seq
amino acid
variant
lbcas
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Pending
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CN202380023337.1A
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English (en)
Chinese (zh)
Inventor
N·伍尔夫 F·穆罕默德 S·斯特拉
S·斯特拉
N·伍尔夫
F·穆罕默德
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Ansoma Private LLC
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Ansoma Private LLC
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Publication of CN118742641A publication Critical patent/CN118742641A/zh
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    • 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 [RNase]; Deoxyribonucleases [DNase]
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • 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 [RNase]; Deoxyribonucleases [DNase]
    • C12N9/222—Clustered regularly interspaced short palindromic repeats [CRISPR]-associated [CAS] enzymes
    • C12N9/226—Class 2 CAS enzyme complex, e.g. single CAS protein
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • 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
    • C12N15/10—Processes for the isolation, preparation or purification of DNA or RNA
    • C12N15/102—Mutagenizing nucleic acids
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    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • 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
    • C12N15/111—General methods applicable to biologically active non-coding nucleic acids
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • 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
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    • 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
    • C12N15/87—Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
    • C12N15/90—Stable introduction of foreign DNA into chromosome
    • C12N15/902—Stable introduction of foreign DNA into chromosome using homologous recombination
    • C12N15/907—Stable introduction of foreign DNA into chromosome using homologous recombination in mammalian cells
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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    • 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)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y305/00—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
    • C12Y305/04—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in cyclic amidines (3.5.4)
    • C12Y305/04004—Adenosine deaminase (3.5.4.4)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y305/00—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5)
    • C12Y305/04—Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) in cyclic amidines (3.5.4)
    • C12Y305/04005—Cytidine deaminase (3.5.4.5)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2319/00—Fusion polypeptide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2319/00—Fusion polypeptide
    • C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
    • C07K2319/09—Fusion polypeptide containing a localisation/targetting motif containing a nuclear localisation signal
    • 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 [CRISPR]

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
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  • Bioinformatics & Cheminformatics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Plant Pathology (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Cell Biology (AREA)
  • Mycology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Peptides Or Proteins (AREA)
CN202380023337.1A 2022-01-06 2023-01-06 Cas12a核酸内切酶变体及使用方法 Pending CN118742641A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202263297182P 2022-01-06 2022-01-06
US202263297189P 2022-01-06 2022-01-06
US63/297,182 2022-01-06
US63/297,189 2022-01-06
PCT/IB2023/000043 WO2023131870A2 (en) 2022-01-06 2023-01-06 Endonuclease variants and methods of use

Publications (1)

Publication Number Publication Date
CN118742641A true CN118742641A (zh) 2024-10-01

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Application Number Title Priority Date Filing Date
CN202380023337.1A Pending CN118742641A (zh) 2022-01-06 2023-01-06 Cas12a核酸内切酶变体及使用方法

Country Status (10)

Country Link
US (1) US20250388886A1 (https=)
EP (1) EP4460566A2 (https=)
JP (1) JP2025502107A (https=)
KR (1) KR20240145468A (https=)
CN (1) CN118742641A (https=)
AU (1) AU2023205461A1 (https=)
CA (1) CA3245296A1 (https=)
IL (1) IL314074A (https=)
MX (1) MX2024008362A (https=)
WO (1) WO2023131870A2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118979028B (zh) * 2024-09-20 2025-07-29 湖北洪山实验室 核酸内切酶Gs12-7MAX变体及其介导的基因编辑系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111801345A (zh) 2017-07-28 2020-10-20 哈佛大学的校长及成员们 使用噬菌体辅助连续进化(pace)的进化碱基编辑器的方法和组合物
MX2022004549A (es) * 2019-10-17 2022-07-21 Pairwise Plants Services Inc Variantes de nucleasas cas12a, metodos de fabricacion y uso de las mismas.
CN116096878A (zh) * 2020-05-01 2023-05-09 合成Dna技术公司 在非经典tttt前间区序列邻近基序处具有增强的切割活性的毛螺菌科菌种cas12a突变体

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Publication number Publication date
MX2024008362A (es) 2024-09-06
CA3245296A1 (en) 2023-07-13
WO2023131870A8 (en) 2024-07-18
IL314074A (en) 2024-09-01
KR20240145468A (ko) 2024-10-07
US20250388886A1 (en) 2025-12-25
WO2023131870A3 (en) 2023-08-17
WO2023131870A2 (en) 2023-07-13
EP4460566A2 (en) 2024-11-13
AU2023205461A1 (en) 2024-07-25
JP2025502107A (ja) 2025-01-24

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