Rap1 Activation Assay Kit

Product details

Rap1 Activation Assay Kit (ab212011) uses RalGDS RBD Agarose beads to selectively isolate and pull-down the active form of Rap from purified samples or endogenous lysates. Subsequently, the precipitated GTP-Rap is detected by western blot analysis using an anti-Rap1 polyclonal antibody, which reacts with the human, mouse and rat Rap1A and Rap1B proteins.

Features: 1) non radioactive assay format; 2) fast results: 1 hour assay plus electrophoresis/blotting time; 3) includes Cdc42 positive control; 4) pink colored agarose beads for easy identification during washing and aspiration steps.

Small GTP-binding proteins (or GTPases) are a family of proteins that serve as molecular regulators in signaling transduction pathways.

Rap1 (Ras-related protein 1), a 21 kDa protein of the Ras superfamily, exhibits 60% identity to Rap2. Rap2 regulates a variety of biological response pathways that include cell migration, cell adhesion, and embryonic blood vessel formation. Like other small GTPases, Rap1 regulates molecular events by cycling between an inactive GDP-bound form and an active GTP-bound form. In its active (GTP-bound) state, Rap1 bind specifically to the Rap-binding domain (RBD) of RalGDS to control downstream signaling cascades.

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