RANBP7 (Importin-7, Imp7, Ran-binding Protein 7, RanBP7, IPO7)

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 importin 7, directly bind and import ribosomal proteins.\n\nApplications:\nSuitable for use in ELISA and Western Blot. Other applications not tested.\n\nRecommended Dilution:\nELISA: 1:32,000\nWestern Blot: 0.1-1ug/ml, observed in human brain lysates on ~120kD bands\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for at least 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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SPECIFICATIONS

Catalog Number

R1070-23C

Size

100ug

Applications

ELISA, WB

Hosts

Goat

Reactivities

Hum, Mouse, Rat, Bov, Can

Form

Supplied as a liquid in Tris saline, 0.02% sodium azide, pH 7.3, 0.5% BSA.

P Type

Pab

Purity

Purified by immunoaffinity chromatography.

References

1. Saijou E, Itoh T, Kim KW, Iemura S, Natsume T, Miyajima A. Nucleocytoplasmic shuttling of the zinc finger protein EZI Is mediated by importin-7-dependent nuclear import and CRM1-independent export mechanisms. J Biol Chem. 2007 Nov 2;282(44):32327-37.

Additional Info

Recognizes human IPO7. Species sequence homology: Bovine, canine, mouse and rat.