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Crystal structure of the zymogen catalytic region of Human MASP-1
Biology and Chemistry Report
4IGD
  •   Structure Details   Hide

    Structure Keywords

    Keywords HYDROLASE
    Text Complement, Immune response, Innate immunity, beta barrel, hydrolase, serine protease, Glycosylation

    Polymeric Molecules

    Chain A
    Description Mannan-binding lectin serine protease 1 
    Fragment CCP1-CCP2-SP fragment, residues 298-699 
    Mutation R448Q 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 45490.3 
    Source Method genetically manipulated  
    Entity Name Complement factor MASP-3, Complement-activating component of Ra-reactive factor, Mannose-binding lectin-associated serine protease 1, MASP-1, Mannose-binding protein-associated serine protease, Ra-reactive factor serine protease p100, RaRF, Serine protease 5 

    Ligands and Prosthetic Groups

    ID Name Chemical Formula Weight Ligand Structure
    GOL  GLYCEROL  C3 H8 O3   92.09  View 
     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A MASP1_HUMAN P48740     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    EC, Associated Pathways and Catalytic Sites

    Chain(s) IUBMB KEGG BioCyc
    3.4.21      
     
  •   Gene Details   Hide

    Genetic Source

    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene masp1
    Host Scientific Name Escherichia coli  
    Host Strain Bl 21
    Host Vector Type Plasmid
    Host Plasmid Name pET-17b


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    3 3q27-q28 5648     mannan-binding lectin serine peptidase 1 (C4/C2 activating component of Ra-reactive factor) MASP1