Ras-related C3 botulinum toxin substrate 3
Definition:
Plasma membrane-associated small GTPase which cycles between an active GTP-bound and inactive GDP-bound state. In active state binds to a variety of effector proteins to regulate cellular responses, such as cell spreading and the formation of actin-based protusions including lamellipodia and membrane ruffles. Promotes cell adhesion and spreading on fibrinogen in a CIB1 and alpha-IIb/beta3 integrin-mediated manner.
References:
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[1]. Stijn De Langhe, et al. Interaction of the small GTPase Rac3 with NRBP, a protein with a kinase-homology domain. Int J Mol Med. 2002 May;9(5):451-9. [Content Brief]
[2]. Leena Haataja, et al. The small GTPase Rac3 interacts with the integrin-binding protein CIB and promotes integrin alpha(IIb)beta(3)-mediated adhesion and spreading. J Biol Chem. 2002 Mar 8;277(10):8321-8. [Content Brief]
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