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COVALENT TERNARY STRUCTURE OF HHAI METHYLTRANSFERASE, DNA AND S-ADENOSYL-L-HOMOCYSTEINE
Biology and Chemistry Report
1MHT
  •   Structure Details   Hide

    Structure Keywords

    Keywords TRANSFERASE/DNA
    Text PROTEIN-DNA COMPLEX, DOUBLE HELIX, OVERHANGING BASE, FLIPPED-OUT BASE, MODIFIED, TRANSFERASE-DNA COMPLEX

    Polymeric Molecules

    Chain B
    Description DNA (5'-D(P*GP*AP*TP*AP*GP*(C36)P*GP*CP*TP*AP*TP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 3712.5 
    Source Method synthetic  
    Chain C
    Description DNA (5'-D(*TP*GP*AP*TP*AP*GP*(C36)P*GP*CP*TP*AP*TP*C)-3') 
    Nonstandard Linkage no 
    Nonstandard Monomers yes 
    Polymer Type polydeoxyribonucleotide 
    Formula Weight 4016.7 
    Source Method synthetic  
    Chain A
    Description PROTEIN (HHAI METHYLTRANSFERASE) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 37042.5 
    Source Method genetically manipulated  
    Entity Name Sys E.C.2.1.1.73 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    SAH  S-ADENOSYL-L-HOMOCYSTEINE  C14 H20 N6 O5 S   384.41  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A MTH1_HAEPH P05102     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc Catalytic Site(s)
    2.1.1.37        
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    9307   DNA Restriction Modification System  A Defense Process Found in Many Bacteria and Archaea That Protects the Organism From Invading Foreign DNA by Cleaving It with a Restriction Endonuclease. the Organism's Own DNA Is Protected by Methylation of a Specific Nucleotide Which Occurs Immediately Following Replication in the Same Target Site As the Restriction Enzyme. 
    32259   Methylation  The Process in Which a Methyl Group Is Covalently Attached to a Molecule. 
    8168   Methyltransferase Activity  Catalysis of the Transfer of a Methyl Group to an Acceptor Molecule. 
    16740   Transferase Activity  Catalysis of the Transfer of a Group E.g. a Methyl Group Glycosyl Group Acyl Group Phosphorus Containing or Other Groups From One Compound (generally Regarded As the Donor) to Another Compound (generally Regarded As the Acceptor). Transferase Is the Systematic Name For Any Enzyme of EC Class 2. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Haemophilus haemolyticus  
    Genus Haemophilus