Technical Data
C2617-02C1
Centaurin, beta 1 (CENTB1, ACAP1, ACAP1, KIAA0050, KIAA0050 gene product, Arf GAP with coiled coil, ANK repeat and PH domains 1)
Description:
Centaurin beta 1 and Centaurin beta 2 are recruited to platelet-derived growth factor-induced dorsal membrane ruffles in NIH 3T3 mouse fibroblasts, and overexpression inhibited ruffle formation. In vitro, Centaurin beta 1 and Centaurin beta 2 preferred ARF6 as substrate rather than ARF1 or ARF5, and the GAP activity of both Centaurins was dependent upon phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2). The isolated PH domain of mouse Centaurin beta 2 exhibits moderate affinity for PtdIns(3,5)P2, but it does not bind any other phosphoinositides tested, including PtdIns(4,5)P2. Mutation of a highly conserved arginine in both Centaurins result in lack of ARF-GAP activity. Overexpression in HeLa cells of either Centaurin blocks the formation of ARF6-dependent protrusions. Both Centaurins are also recruited to peripheral, tubular membranes, where activation of ARF6 occurs and allows membrane recycling back to the plasma membrane.

Applications:
Suitable for use in ELISA and Western Blot. Other applications not tested.

Recommended Dilution:
ELISA: 1:32000
Western Blot: 0.5-2ug/ml
Optimal dilutions to be determined by the researcher.

Storage and Stability:
May be stored at 4C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20C. Aliquots are stable for at least 12 months at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
TypeIsotypeCloneGrade
PabAffinity Purified
SizeStorageShippingSourceHost
100ug-20CBlue IceHumanGoat
Concentration:
As reported
Immunogen:
Synthetic peptide of ACAP1.
Purity:
Purified by immunoaffinity chromatography.
Form
Supplied as a liquid in Tris-saline, pH 7.2, 0.5% BSA, 0.02% sodium azide.
Specificity:
Recognizes human ACAP1 at ~80-90kD in Jurkat lysates (predicted MW of 85kDa according to NP_055531). Species Crossreactivity: Mouse and rat.
Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.
1. Jackson TR, Brown FD, Nie Z, Miura K, Foroni L, Sun J, Hsu VW, Donaldson JG, Randazzo PA. ACAPs are arf6 GTPase-activating proteins that function in the cell periphery. J Cell Biol. 2000 Oct 30;151(3):627-38.