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THE THREE-DIMENSIONAL STRUCTURE OF A CLASS I MAJOR HISTOCOMPATIBILITY COMPLEX MOLECULE MISSING THE ALPHA3 DOMAIN OF THE HEAVY CHAIN
Biology and Chemistry Report
1TMC
  •   Structure Details   Hide

    Structure Keywords

    Keywords HISTOCOMPATIBILITY ANTIGEN
    Text HISTOCOMPATIBILITY ANTIGEN

    Polymeric Molecules

    Chain A
    Description CLASS I HISTOCOMPATIBILITY ANTIGEN (HLA-AW68) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 20315.5 
    Source Method genetically manipulated  
    Chain B
    Description BETA 2-MICROGLOBULIN 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 11879.5 
    Source Method genetically manipulated  
    Chain C
    Description DECAMERIC PEPTIDE (EVAPPEYHRK) 
    Nonstandard Linkage no 
    Nonstandard Monomers no 
    Polymer Type polypeptide(L) 
    Formula Weight 1228.4 
    Source Method synthetic  

     
  •   Protein Details   Hide

    UniProtKB Information

    Chain SWS/UNP ID SWS/UNP Accession(s)
    A 1A68_HUMAN O19673     
    B B2MG_HUMAN P61769     

    Keywords and Names

    Chain(s) RCSB Name UniProtKB Name UniProtKB Keywords

    Immune Epitopes (B-cell and T-Cell)

    Immune Epitope Database (IEDB)
    Epitope ID 14628    
    C: Cellular Location | F: Molecular Function | P: Biological Process
    Chain B
    GO ID   Ontology GO Term Definition
    2376   Immune System Process  Any Process Involved in the Development or Functioning of the Immune System an Organismal System For Calibrated Responses to Potential Internal or Invasive Threats. 
    2474   Antigen Processing and Presentation of Peptide Antigen Via Mhc Class I  The Process in Which an Antigen Presenting Cell Expresses a Peptide Antigen On Its Cell Surface in Association with an Mhc Class I Protein Complex. Class I Here Refers to Classical Class I Molecules. 
    5576   Extracellular Region  The Space External to the Outermost Structure of a Cell. For Cells Without External Protective or External Encapsulating Structures This Refers to Space Outside of the Plasma Membrane. This Term Covers the Host Cell Environment Outside an Intracellular Parasite. 
    42612   Mhc Class I Protein Complex  A Transmembrane Protein Complex Composed of a Mhc Class I Alpha Chain and an Invariant Beta2 Microglobin Chain and with or Without a Bound Peptide Antigen. Class I Here Refers to Classical Class I Molecules. 
    5515   Protein Binding  Interacting Selectively and Non Covalently with Any Protein or Protein Complex (a Complex of Two or More Proteins That May Include Other Nonprotein Molecules). 
    42802   Identical Protein Binding  Interacting Selectively and Non Covalently with an Identical Protein or Proteins. 


     
  •   Gene Details   Hide

    Genetic Source

    Chain B
    Common Name Human
    Scientific Name Homo sapiens  
    Gene beta-2-microglobulin
    Host Scientific Name Escherichia coli  


    Chain A
    Common Name Human
    Scientific Name Homo sapiens  
    Gene beta-2-microglobulin
    Host Scientific Name Escherichia coli  


    Genome Information

    Chromosome Locus Gene ID Gene Name Symbol
    6 6p21.3 3105     major histocompatibility complex, class I, A HLA-A    
    15 15q21-q22.2 567     beta-2-microglobulin B2M    

    Single Nucleotide Polymorphisms (from LS-SNP database)

    SNP ID LsSnp Link dbSNP Link Chain PDB position Amino acid changes Secondary structure Solvent Accessibility Chromosome Chromosome position Ligand
    rs11553032 LS-SNP   dbSNP   B 12 R - > C Bend 52% (Exposed) 15 45007647
    rs11553035 LS-SNP   dbSNP   B 14 P - > S Coil 75% (Exposed) 15 45007653
    rs11553038 LS-SNP   dbSNP   B 22 F - > L Beta Ladder 23% (Intermediate) 15 45007677
    rs148494241 LS-SNP   dbSNP   B 34 D - > N Coil 72% (Exposed) 15 45007713
    rs11553042 LS-SNP   dbSNP   B 36 E - > K Beta Ladder 51% (Exposed) 15 45007719
    rs11553049 LS-SNP   dbSNP   B 41 K - > R Beta Ladder 34% (Intermediate) 15 45007735
    rs11553037 LS-SNP   dbSNP   B 53 D - > N Coil 9% (Intermediate) 15 45007770
    rs11553045 LS-SNP   dbSNP   B 72 P - > H Coil 1% (Buried) 15 45007828
    rs147708131 LS-SNP   dbSNP   B 99 M - > L Coil 80% (Exposed) 15 45008535