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Description for Protein PCBP2

poly(rC) binding protein 2
20 total interacting proteins; 14 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 3/1)
(microparticles: 1; platelet: 3)
Summary:
The protein encoded by this gene appears to be multifunctional. Along with PCBP-1 and hnRNPK, it is one of the major cellular poly(rC)-binding proteins. The encoded protein contains three K-homologous (KH) domains which may be involved in RNA binding. Together with PCBP-1, this protein also functions as a translational coactivator of poliovirus RNA via a sequence-specific interaction with stem-loop IV of the IRES, promoting poliovirus RNA replication by binding to its 5'-terminal cloverleaf structure. It has also been implicated in translational control of the 15-lipoxygenase mRNA, human papillomavirus type 16 L2 mRNA, and hepatitis A virus RNA. The encoded protein is also suggested to play a part in formation of a sequence-specific alpha-globin mRNP complex which is associated with alpha-globin mRNA stability. This multiexon structural mRNA is thought to be retrotransposed to generate PCBP-1, an intronless gene with functions similar to that of PCBP2. This gene and PCBP-1 have paralogous genes (PCBP3 and PCBP4) which are thought to have arisen as a result of duplication events of entire genes. Thsi gene also has two processed pseudogenes (PCBP2P1 and PCBP2P2). Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • KH: K homology RNA-binding domain
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    K13162
    KEGG - Pathway(s):
    None Available
    Nomenclature / Alternative Names:
    hnRNP E2; Heterogenous nuclear ribonucleoprotein E2; HNRPE2; Poly(rC)-binding protein 2 isoform c; Alpha-CP2; Poly(rC)-binding protein 2 isoform a; Poly(rC)-binding protein 2 isoform b
    Approved Symbol:
    PCBP2
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 35
    Human (de-) phosphorylation sites: 35; 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):

    None Available

    Associated Genetic Diseases:

    None Available
    		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: 03129 Entrez Gene ID: 5094 OMIM ID: 601210 Swissprot Accession: Q59HD4; Q15366; Q6IPF4;