|Application ||WB, IHC, IF, ICC, E, IP|
|Other Accession||3839, NP_002258.2, 16648, 361055|
|Reactivity||Human, Mouse, Rat|
|Predicted||Human, Mouse, Rat, Cow, Dog|
|Calculated MW||57811 Da|
|Other Names||protein sorting/ trafficking; transporter; NPC; importin|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||Anti-KPNA3 / IPOA4 Antibody (C-term), Biotinylated is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||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. Recognizes NLSs of influenza A virus nucleoprotein probably through ARM repeats 7-9.|
|Cellular Location||Cytoplasm. Nucleus|
|Tissue Location||Ubiquitous. Highest levels in heart and skeletal muscle|
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