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T. maritima RNase H2 G21S in complex with nucleic acid substrate and calcium ions
Biology and Chemistry Report
4HHT
  •   Structure Details   Hide

    Structure Keywords

    Keywords Hydrolase/DNA
    Text RNase H, nuclease, single ribonucleotide removal, HYDROLASE, Hydrolase-DNA complex

    Polymeric Molecules

    Chain A
    Description Ribonuclease HII 
    Mutation G21S 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 26570.1 
    Source Method genetically manipulated  
    Entity Name RNase HII 
    Chain C
    Description DNA (5'-D(*GP*AP*AP*TP*CP*AP*GP*GP*TP*GP*TP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3702.5 
    Source Method synthetic  
    Chain D
    Description DNA/RNA (5'-D(*GP*AP*CP*AP*C)-R(P*C)-D(P*TP*GP*AP*TP*TP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polydeoxyribonucleotide/polyribonucleotide hybrid 
    Formula Weight 3638.4 
    Source Method synthetic  

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    CA  CALCIUM ION  Ca   40.08  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A RNH2_THEMA Q9X017     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.1.26.4      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    6401   RNA Catabolic Process  The Chemical Reactions and Pathways Resulting in the Breakdown of RNA Ribonucleic Acid One of the Two Main Type of Nucleic Acid Consisting of a Long Unbranched Macromolecule Formed From Ribonucleotides Joined in 3' 5' Phosphodiester Linkage. 
    90305   Nucleic Acid Phosphodiester Bond Hydrolysis  The Nucleic Acid Metabolic Process in Which the Phosphodiester Bonds Between Nucleotides Are Cleaved by Hydrolysis. 
    90502   RNA Phosphodiester Bond Hydrolysis Endonucleolytic  The Chemical Reactions and Pathways Involving the Hydrolysis of Internal 3' 5' Phosphodiester Bonds in One or Two Strands of Ribonucleotides. 
    5737   Cytoplasm  All of the Contents of a Cell Excluding the Plasma Membrane and Nucleus But Including Other Subcellular Structures. 
    3676   Nucleic Acid Binding  Interacting Selectively and Non Covalently with Any Nucleic 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. 
    4523   RNA DNA Hybrid Ribonuclease Activity  Catalysis of the Endonucleolytic Cleavage of RNA in RNA DNA Hybrids to 5' Phosphomonoesters. 
    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. 
    30145   Manganese Ion Binding  Interacting Selectively and Non Covalently with Manganese (mn) Ions. 
    46872   Metal Ion Binding  Interacting Selectively and Non Covalently with Any Metal Ion. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Thermotoga maritima  
    Strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099
    Gene rnhb, tm_0915
    Host Scientific Name Escherichia coli  


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    - - 898589     ribonuclease HII RNHB