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Tbio
KPNA1
Importin subunit alpha-5

Protein Summary
Description
Functions in nuclear protein import as an adapter protein for nuclear receptor KPNB1. Binds specifically and directly to substrates containing either a simple or bipartite NLS motif. Docking of the importin/substrate complex to the nuclear pore complex (NPC) is mediated by KPNB1 through binding to nucleoporin FxFG repeats and the complex is subsequently translocated through the pore by an energy requiring, Ran-dependent mechanism. At the nucleoplasmic side of the NPC, Ran binds to importin-beta and the three components separate and importin-alpha and -beta are re-exported from the nucleus to the cytoplasm where GTP hydrolysis releases Ran from importin. The directionality of nuclear import is thought to be conferred by an asymmetric distribution of the GTP- and GDP-bound forms of Ran between the cytoplasm and nucleus. In vitro, mediates the nuclear import of human cytomegalovirus UL84 by recognizing a non-classical NLS. The transport of molecules between the nucleus and the cytoplasm i ...more
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000344337
  • ENSP00000343701
  • ENSG00000114030

Symbol
  • RCH2
  • RCH2
  • SRP1
  • IPOA5
  • NPI-1
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
kinase perturbation
0.88
biological process
0.81
transcription factor perturbation
0.8
disease perturbation
0.79
transcription factor binding site profile
0.79


IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 165.3   (req: < 5)
Gene RIFs: 37   (req: <= 3)
Antibodies: 361   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 165.3   (req: >= 5)
Gene RIFs: 37   (req: > 3)
Antibodies: 361   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 9
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0