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Crystal Structure of Dengue Methyltransferase in Complex with GpppG and S-Adenosyl-L-homocysteine
Biology and Chemistry Report
2P3Q
  •   Structure Details   Hide

    Structure Keywords

    Keywords VIRAL PROTEIN,TRANSFERASE
    Text VIZIER; Viral Enzymes Involved in Replication; Dengue virus methyltransferase; Structural Genomics; Marseilles Structural Genomics Program @ AFMB; MSGP, VIRAL PROTEIN,TRANSFERASE

    Polymeric Molecules

    Chain A
    Description type II methyltransferase 
    Fragment residues 1-296 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 34397.3 
    Source Method genetically manipulated  
    Entity Name Sys E.C.2.7.7.48 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    GP3  DIGUANOSINE-5'-TRIPHOSPHATE  C20 H27 N10 O18 P3   788.41  View 
    SAH  S-ADENOSYL-L-HOMOCYSTEINE  C14 H20 N6 O5 S   384.41  View 
    SO4  SULFATE ION  O4 S   96.06  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A Q20IJ2_9FLAV Q20IJ2     

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    2.7.7.48      
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain A
    GO ID   Ontology GO Term Definition
    32259   Methylation  The Process in Which a Methyl Group Is Covalently Attached to a Molecule. 
    3968   RNA Directed RNA Polymerase Activity  Catalysis of the Reaction: Nucleoside Triphosphate + Rna(n) = Diphosphate + Rna(n+1); Uses an RNA Template. 
    4482   MRNA (guanine N7 ) Methyltransferase Activity  Catalysis of the Reaction: S Adenosyl L Methionine + G(5')pppr RNA = S Adenosyl L Homocysteine + M7g(5')pppr Rna. M7g(5')pppr RNA Is MRNA Containing an N7 Methylguanine Cap; R May Be Guanosine or Adenosine. 
    4483   MRNA (nucleoside 2' O ) Methyltransferase Activity  Catalysis of the Reaction: S Adenosyl L Methionine + M7g(5')pppr RNA = S Adenosyl L Homocysteine + M7g(5')ppprm Rna. R May Be Guanosine or Adenosine. 
    5524   ATP Binding  Interacting Selectively and Non Covalently with ATP Adenosine 5' Triphosphate a Universally Important Coenzyme and Enzyme Regulator. 
    8168   Methyltransferase Activity  Catalysis of the Transfer of a Methyl Group to an Acceptor Molecule. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Scientific Name Dengue virus 2  
    Genus Flavivirus
    Species Dengue Virus
    Strain TYPE 2 NEW GUINEA
    Gene nsp5
    Host Scientific Name Escherichia coli  
    Host Genus Escherichia
    Host Strain Rosetta Plyss
    Host Vector Type Plasmid
    Host Plasmid Name pQE30