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Description for Protein CD209

CD209 molecule
7 total interacting proteins; 2 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 0/1)
(undefined: 1)
Summary:
This gene encodes a transmembrane receptor and is often referred to as DC-SIGN because of its expression on the surface of dendritic cells and macrophages. The encoded protein is involved in the innate immune system and recognizes numerous evolutionarily divergent pathogens ranging from parasites to viruses with a large impact on public health. The protein is organized into three distinct domains: an N-terminal transmembrane domain, a tandem-repeat neck domain and C-type lectin carbohydrate recognition domain. The extracellular region consisting of the C-type lectin and neck domains has a dual function as a pathogen recognition receptor and a cell adhesion receptor by binding carbohydrate ligands on the surface of microbes and endogenous cells. The neck region is important for homo-oligomerization which allows the receptor to bind multivalent ligands with high avidity. Variations in the number of 23 amino acid repeats in the neck domain of this protein are rare but have a significant impact on ligand binding ability. This gene is closely related in terms of both sequence and function to a neighboring gene (GeneID 10332; often referred to as L-SIGN). DC-SIGN and L-SIGN differ in their ligand-binding properties and distribution. Alternative splicing results in multiple variants. (PubMed Links)
Domains and Motifs:
  • LECTIN_C: C-type lectin (CTL) or carbohydrate-recognition domain (CRD)
  • TM: Transmembrane domain
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K06563
    KEGG - Pathway(s):
    None Available
    Nomenclature / Alternative Names:
    Dendritic cell specific ICMA3 grabbing nonintegrin; DCSIGN; HIV GP120 binding protein
    Approved Symbol:
    CD209
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 3
    Human (de-) phosphorylation sites: 3; 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):

  • Alpha-D-Mannose(db);
  • Fucose(db)

    Associated Genetic Diseases:

  • Human immunodeficiency virus type 1, susceptibility to(Pd);
  • Mycobacterium tuberculosis, susceptibility to(Pd)
    		• Predicted Transmembrane Domains:
  • Isoform 7 : 0
  • Isoform 6 : 0
  • Isoform 5 : 0
  • Isoform 4 : 0
  • Isoform 3 : 0
  • Isoform 2 : 0
  • Isoform 1 : 0
    • Additional Identifiers:

    HPRD: 05241 Entrez Gene ID: 30835 OMIM ID: 604672 Swissprot Accession: Q9NNX6; A6NK99; B4E2A8;