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Description for Protein KPNA2

karyopherin alpha 2 (RAG cohort 1, importin alpha 1)
52 total interacting proteins; 19 platelet interacting proteins
Icon Book Platelet Evidence (proteome studies/others : 0/1)
(platelet: 1)
Summary:
The import of proteins into the nucleus is a process that involves at least 2 steps. The first is an energy-independent docking of the protein to the nuclear envelope and the second is an energy-dependent translocation through the nuclear pore complex. Imported proteins require a nuclear localization sequence (NLS) which generally consists of a short region of basic amino acids or 2 such regions spaced about 10 amino acids apart. Proteins involved in the first step of nuclear import have been identified in different systems. These include the Xenopus protein importin and its yeast homolog, SRP1 (a suppressor of certain temperature-sensitive mutations of RNA polymerase I in Saccharomyces cerevisiae), which bind to the NLS. KPNA2 protein interacts with the NLSs of DNA helicase Q1 and SV40 T antigen and may be involved in the nuclear transport of proteins. KPNA2 also may play a role in V(D)J recombination [provided by RefSeq] (PubMed Links)
Domains and Motifs:
  • ARM: Armadillo/beta-catenin-like repeats
    • Gene Ontology:
    Gene Ontology Annotations
    KEGG - Enzyme ID(s):
    None Available
    KEGG - Orthology:
    None Available
    KEGG - Pathway(s):
    None Available
    Nomenclature / Alternative Names:
    Recombination activating gene cohort 1; RCH1; SRP1 alpha; Importin alpha 1; QIP2; RAG cohort protein 1; Karyopherin alpha 2 subunit; Importin alpha 2 subunit
    Approved Symbol:
    KPNA2
    (De-) Phosphorylations:
    Total (de-) phosphorylation sites: 15
    Human (de-) phosphorylation sites: 15; 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 1 : 0
    • Additional Identifiers:

    HPRD: 02818 Entrez Gene ID: 3838 OMIM ID: 600685 Swissprot Accession: P52292; Q7Z726;