ARL3 is an ARF-like small GTPase that is localized to the cilium in both the GDP- and the GTP-bound form (Zhou et al, 2006; Wright et al, 2011). ARL3 binds UNC119B in a GTP-dependent fashion and is required for the ciliary localization of NPHP3 and CYS1. Upon GTPase activation, ARL3 promotes the transfer of the myristoylated cargo into the ciliary membrane (Wright et al, 2011).
Zhou, C, Li, Y, Kahn, RA, Marcus, AI, Cunningham, L
Sengupta, P, Kwong, M, Baye, LM, Sang, L, Sheffield, VC, Wright, KJ, Slusarski, DC, Jackson, PK, Pretorius, PR, Wang, W, Mukhopadhyay, S, Olivier-Mason, A
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