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Crystal structure of Cas9 bound to PAM-containing DNA target
Biology and Chemistry Report
4UN3
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE/DNA/RNA
    Text HYDROLASE-DNA-RNA COMPLEX, CRISPR, GENOME EDITING, RNP, PROTEIN-RNA COMPLEX

    Polymeric Molecules

    Chain A
    Description SGRNA 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polyribonucleotide 
    Formula Weight 26789.2 
    Source Method synthetic  
    Chain B
    Description CRISPR-ASSOCIATED ENDONUCLEASE CAS9/CSN1 
    Mutation YES 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 158921.0 
    Source Method genetically manipulated  
    Entity Name CAS9 
    Chain C
    Description TARGET DNA STRAND 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 8552.6 
    Source Method synthetic  
    Chain D
    Description NON-TARGET DNA STRAND 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3725.5 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    B CAS9_STRP1 Q99ZW2     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.1      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain B
    GO ID   Ontology GO Term Definition
    737   DNA Catabolic Process Endonucleolytic  The Chemical Reactions and Pathways Resulting in the Breakdown of DNA Involving the Hydrolysis of Internal 3' 5' Phosphodiester Bonds in One or Two Strands of Deoxyribonucleotides. 
    43571   Maintenance of Crispr Repeat Elements  Any Process Involved in Sustaining Crispr Repeat Clusters Including Capture of New Spacer Elements Expansion or Contraction of Clusters Propagation of the Leader Sequence and Repeat Clusters Within a Genome Transfer of Repeat Clusters and Crispr Associated (cas) Genes to New Genomes Transcription of the Crispr Repeat Arrays Into RNA and Processing and Interaction of Crispr/cas Loci with the Host Genome. Crispr (clustered Regularly Interspaced Short Palindromic Repeat) Elements Are a Family of Sequence Elements Containing Multiple Direct Repeats of 24 48 Bp with Weak Dyad Symmetry Which Are Separated by Regularly Sized Nonrepetitive Spacer Sequences. 
    51607   Defense Response to Virus  Reactions Triggered in Response to the Presence of a Virus That Act to Protect the Cell or Organism. 
    90305   Nucleic Acid Phosphodiester Bond Hydrolysis  The Nucleic Acid Metabolic Process in Which the Phosphodiester Bonds Between Nucleotides Are Cleaved by Hydrolysis. 
    3677   DNA Binding  Any Molecular Function by Which a Gene Product Interacts Selectively and Non Covalently with DNA (deoxyribonucleic Acid). 
    3723   RNA Binding  Interacting Selectively and Non Covalently with an RNA Molecule or a Portion Thereof. 
    4518   Nuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids. 
    4519   Endonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids by Creating Internal Breaks. 
    4520   Endodeoxyribonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Deoxyribonucleic Acid by Creating Internal Breaks. 
    4527   Exonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids by Removing Nucleotide Residues From the 3' or 5' End. 
    8408   3' 5' Exonuclease Activity  Catalysis of the Hydrolysis of Ester Linkages Within Nucleic Acids by Removing Nucleotide Residues From the 3' End. 
    16787   Hydrolase Activity  Catalysis of the Hydrolysis of Various Bonds E.g. C O C N C C Phosphoric Anhydride Bonds Etc. Hydrolase Is the Systematic Name For Any Enzyme of EC Class 3. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain B
    Scientific Name Streptococcus pyogenes  
    Strain M1
    Host Scientific Name Escherichia coli  
    Host Variant Rosetta 2
    Host Strain Bl21(de3)
    Host Vector Type Plasmid
    Host Plasmid Name PEC-K-MBP