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p190-B Mouse, Unlabeled, Clone: 54, BD

Mouse Monoclonal Antibody

Supplier:  BD Biosciences 611612

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Catalog No. BDB611612

Item Discontinued This item has been discontinued and is no longer available. Please reach out to your sales representative.



GTPase activating proteins (GAPs) stimulate the GTP-hydrolyzing activity of GTPases, such as p21ras and Rho. p190-A is a Ras-GAP associated protein that is tyrosine phosphorylated in transformed and growth factor-stimulated cells. Ras-GAP and p190-A are targets of oncoproteins and growth factor receptors. p190-B is another Ras-GAP in the p190 family. It has 51% identity with p190-A and contains several GTPase-related domains in the N-terminal region and a Rho-GAP domain in the C-terminal region. p190-B is expressed in kidney, brain, liver, and lung, as well as in human foreskin fibroblasts, RD muscle cells, and HT-1080 cells. In fibroblasts, p190-B is localized diffusely in the cytoplasm and co-localizes with the α5β1 integrin receptor for fibronectin. Adhesion of fibronectin-coated latex beads to cells leads to the recruitment of p190-B and Rho to the plasma membrane at sites of bead contact. In addition, the recombinant Rho-GAP domain of p190-B displays GAP activity for RhoA, Rac1, and G25K/CDC42Hs. Thus, p190-B is thought to act as a transmembrane link between integrins and Rho GTPases during fibronectin-induced changes in cell morphology and motility.

Host Species: Mouse
Clone: 54
Isotype: IgG1
Species Reactivity [for Features Main]: Human
Immunogen: Human p190-B aa. 1102-1214

Immunofluorescence, Western Blotting



Aqueous buffered solution containing BSA, glycerol, and ≤0.09% sodium azide.
Human p190-B aa. 1102-1214
50 μg
Cell Biology
Canine, Human, Rat
Western Blot
Affinity Purified
Store undiluted at -20°C.


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