SHARP (Msx2-interacting Protein, SMART/HDAC1-associated Repressor Protein, SPEN Homolog, SPEN, KIAA0929, MINT)

SPEN is an essential corepressor protein, which probably regulates different key pathways such as the Notch pathway. It is a negative regulator of the Notch pathway via its interaction with RBPSUH, which prevents the association between NOTCH1 and RBPSUH, and therefore suppresses the transactivation activity of Notch signaling. SPEN blocks the differentiation of precursor B-cells into marginal zone B-cells. It probably represses transcription via the recruitment of large complexes containing histone deacetylase proteins. SPEN may bind both to DNA and RNA.\n\nApplications:\nSuitable for use in ELISA. Other applications not tested.\n\nRecommended Dilution:\nELISA: 1:4000\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

S1010-89A

Size

100ug

Applications

ELISA

Hosts

Goat

Reactivities

Hum

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. Hiriart E, Gruffat H, Buisson M, Mikaelian I, Keppler S, Meresse P, Mercher T, Bernard OA, Sergeant A, Manet E. Interaction of the Epstein-Barr virus mRNA export factor EB2 with human Spen proteins SHARP, OTT1, and a novel member of the family, OTT3, links Spen proteins with splicing regulation and mRNA export. J Biol Chem. 2005 Nov 4;280(44):36935-45. Epub 2005 Aug 29.

Additional Info

Recognizes SPEN. Species sequence homology: Human.