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Description for Protein HLA-DQB1

major histocompatibility complex, class II, DQ beta 1
4 total interacting proteins; 1 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 0/0)
(Not detected in platelets)
Summary:
HLA-DQB1 belongs to the HLA class II beta chain paralogs. This class II molecule is a heterodimer consisting of an alpha (DQA) and a beta chain (DQB), both anchored in the membrane. It plays a central role in the immune system by presenting peptides derived from extracellular proteins. Class II molecules are expressed in antigen presenting cells (APC: B lymphocytes, dendritic cells, macrophages). The beta chain is approximately 26-28 kDa and it contains 6 exons. Exon one encodes the leader peptide, exons 2 and 3 encode the two extracellular domains, exon 4 encodes the transmembrane domain and exon 5 encodes the cytoplasmic tail. Within the DQ molecule both the alpha chain and the beta chain contain the polymorphisms specifying the peptide binding specificities, resulting in up to 4 different molecules. Typing for these polymorphisms is routinely done for bone marrow transplantation. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • SP: Signal Peptide
  • IGC: Immunoglobulin C-Type
  • TM: Transmembrane domain
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K06752
    KEGG - Pathway(s):
    hsa04514; hsa04612; hsa04672; hsa04940; hsa05140; hsa05310; hsa05320; hsa05322; hsa05330; hsa05332; hsa05416
    (The yellow boxes represents platelet proteins)
    Nomenclature / Alternative Names:
    HLA DQB1
    Approved Symbol:
    HLA-DQB1
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 0
    No human (de-) phosphorylation sites; No platelet phosphorylation sites
    Phosphorylation Targets:
    Total phosphorylation targets: 0
    Human phosphorylation targets: 0;Predicted platelet targets: 0
    		Protein Characteristics:
    Isoform-specific Information
    Icon DrugsAssociated Drugs (DrugBank Accession):

  • Insulin, porcine(db)

    Associated Genetic Diseases:

  • Creutzfeldt-Jakob disease, variant, resistance to(Pd)
    		• Predicted Transmembrane Domains:
  • Isoform 1 : 1
    • Additional Identifiers:

    HPRD: 05054 Entrez Gene ID: 3119 OMIM ID: 604305 Swissprot Accession: P01920; Q5Y7D6; P01918;