|Application ||WB, IHC-P, E|
|Other Accession||Q9EPL8, NP_006382.1|
|Calculated MW||119517 Da|
|Antigen Region||142-169 aa|
|Other Names||Importin-7, Imp7, Ran-binding protein 7, RanBP7, IPO7, RANBP7|
|Target/Specificity||This IPO7 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 142-169 amino acids from the N-terminal region of human IPO7.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||IPO7 Antibody (N-term) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Functions in nuclear protein import, either by acting as autonomous nuclear transport receptor or as an adapter-like protein in association with the importin-beta subunit KPNB1. Acting autonomously, is thought to serve itself as receptor for nuclear localization signals (NLS) and to promote translocation of import substrates through the nuclear pore complex (NPC) by an energy requiring, Ran-dependent mechanism. At the nucleoplasmic side of the NPC, Ran binds to importin, the importin/substrate complex dissociates and importin is re-exported from the nucleus to the cytoplasm where GTP hydrolysis releases Ran. 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. Mediates autonomously the nuclear import of ribosomal proteins RPL23A, RPS7 and RPL5. Binds to a beta-like import receptor binding (BIB) domain of RPL23A. In association with KPNB1 mediates the nuclear import of H1 histone and the Ran-binding site of IPO7 is not required but synergizes with that of KPNB1 in importin/substrate complex dissociation. In vitro, mediates nuclear import of H2A, H2B, H3 and H4 histones. In vitro, mediates the nuclear import of HIV-1 reverse transcription complex (RTC) integrase. In case of HIV-1 infection, binds and mediates the nuclear import of HIV-1 Rev.|
|Cellular Location||Cytoplasm. Nucleus.|
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Provided below are standard protocols that you may find useful for product applications.
The importin-alpha/beta complex and the GTPase Ran mediate nuclear import of proteins with a classical nuclear localization signal. The protein encoded by this gene is a member of a class of approximately 20 potential Ran targets that share a sequence motif related to the Ran-binding site of importin-beta. Similar to importin-beta, this protein prevents the activation of Ran's GTPase by RanGAP1 and inhibits nucleotide exchange on RanGTP, and also binds directly to nuclear pore complexes where it competes for binding sites with importin-beta and transportin. This protein has a Ran-dependent transport cycle and it can cross the nuclear envelope rapidly and in both directions. At least four importin beta-like transport receptors, namely importin beta itself, transportin, RanBP5 and RanBP7, directly bind and import ribosomal proteins.
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Dean, K.A., et al. J. Cell. Sci. 114 (PT 19), 3479-3485 (2001) :
Jakel, S., et al. EMBO J. 18(9):2411-2423(1999)
Paraskeva, E., et al. J. Cell Biol. 145(2):255-264(1999)
Jakel, S., et al. EMBO J. 17(15):4491-4502(1998)
Gorlich, D., et al. J. Cell Biol. 138(1):65-80(1997)
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