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Crystal structure of the SeMet substituted catalytic domain of pyrrolysyl-tRNA synthetase
Biology and Chemistry Report
3VQW
  •   Structure Details   Hide

    Structure Keywords

    Keywords LIGASE
    Text Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, aminoacyl-tRNA synthetase, pyrrolysyl-tRNA synthetase, AMPPNP, LIGASE

    Polymeric Molecules

    Chain A
    Description Pyrrolysine--tRNA ligase 
    Mutation E444G 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polypeptide(L) 
    Formula Weight 33719.6 
    Source Method genetically manipulated  
    Entity Name Pyrrolysyl-tRNA synthetase, PylRS 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    ANP  PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER  C10 H17 N6 O12 P3   506.20  View 
    MG  MAGNESIUM ION  Mg   24.31  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A PYLS_METMA Q8PWY1     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    6.1.1.26      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6418   TRNA Aminoacylation For Protein Translation  The Synthesis of Aminoacyl TRNA by the Formation of an Ester Bond Between the 3' Hydroxyl Group of the Most 3' Adenosine of the TRNA to Be Used in Ribosome Mediated Polypeptide Synthesis. 
    166   Nucleotide Binding  Interacting Selectively and Non Covalently with a Nucleotide Any Compound Consisting of a Nucleoside That Is Esterified with (ortho)phosphate or an Oligophosphate At Any Hydroxyl Group On the Ribose or Deoxyribose. 
    4812   Aminoacyl TRNA Ligase Activity  Catalysis of the Formation of Aminoacyl TRNA From ATP Amino Acid and TRNA with the Release of Diphosphate and Amp. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    16876   Ligase Activity Forming Aminoacyl TRNA and Related Compounds  Catalysis of the Joining of an Amino Acid and a Nucleic Acid (usually Trna) or Poly(ribitol Phosphate) with the Concomitant Hydrolysis of the Diphosphate Bond in ATP or a Similar Triphosphate. the Reaction Forms an Aminoacyl TRNA or a Related Compound. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Methanosarcina mazei  
    Strain JCM9314
    Gene pyls
    Host Scientific Name Escherichia coli  
    Host Strain Bl21(de3) Codon Plus
    Host Vector Type Plasmid
    Host Plasmid Name pET28c