WB, ICC/IF, IHC, IHC-P, IPHost:
WB, ICC/IF, IHCHost:
Species: Hu, Eq, Ma
Applications: WB, ICC/IF, IHC, IHC-P
Host: Rabbit Polyclonal
Applications: B/N, Ctrl
Applications: RNAi, RNAi SP
Rab5 is a 24 kDa GTP-binding protein that regulates the fusion of plasma membrane -derived clathrin-coated vesicles with early endosomes, and homotypic fusion among early endosomes1. Localized to the cytoplasmic side of the plasma membrane, clathrin -coated vesicles and early endosomes, Rab5 appears to regulate vesicle fusion through a cycle of GDP/GTP e xchange and GTP hydrolysis. The different guanine nuc leotide binding states of Rab5 may affect its ability to associate or dissociate with membranes during endocytotic membrane traffic. The GTP-bound, or active, form of Rab5 associates with membrane s and regulates vesicle docking and fusion. Studies using a Rab5 mutant that hydrolyzed xanthosine 5 -triphosphate (XTP) indicated that nucleotide hydrolysis occurs even in the absence of membrane fusion. GTP hydrolysis by Rab5 may determine the frequency of membrane docking and fusion events.
Bioinformatics Tool for Rab5a
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