RhoBTB3: a Rho GTPase-family ATPase required for endosome to Golgi transport.
RhoBTB3: a Rho GTPase-family ATPase required for endosome to Golgi transport.
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DOI:
10.1016/j.cell.2009.03.043
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发表时间:
2009-05-29
期刊:
影响因子:
64.5
通讯作者:
Pfeffer SR
中科院分区:
文献类型:
--
作者:
Espinosa EJ;Calero M;Sridevi K;Pfeffer SR
Rho GTPases are key regulators of the actin-based cytoskeleton; Rab GTPases are key regulators of membrane traffic. We report here that the atypical Rho GTPase family member, RhoBTB3, binds directly to Rab9 GTPase, and functions with Rab9 in protein transport from endosomes to the trans Golgi network. Gene replacement experiments show that RhoBTB3 function in cultured cells requires both RhoBTB3’s N-terminal, Rho-related domain, and C-terminal sequences that are important for Rab9 interaction.9 Biochemical analysis reveals that RhoBTB3 binds and hydrolyzes ATP rather than GTP. Rab9 binding opens the auto-inhibited RhoBTB3 protein to permit maximal ATP hydroysis. Because RhoBTB3 interacts with TIP47 on membranes, we propose that it may function to release this cargo selection protein from vesicles to permit their efficient docking and fusion at the Golgi.
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DOI:
10.1126/science.1161070
发表时间:
2008-09-05
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Lata S;Schoehn G;Jain A;Pires R;Piehler J;Gottlinger HG;Weissenhorn W
通讯作者:
Weissenhorn W
DOI:
10.1083/jcb.200510010
发表时间:
2006-06-19
期刊:
The Journal of cell biology
影响因子:
--
作者:
Aivazian D;Serrano RL;Pfeffer S
通讯作者:
Pfeffer S
影响因子:
21.3
作者:
Coy, DL;Hancock, WO;Howard, J
通讯作者:
Howard, J
影响因子:
56.9
作者:
Carroll, KS;Hanna, J;Pfeffer, SR
通讯作者:
Pfeffer, SR
影响因子:
64.5
作者:
Burguete, Alondra Schweizer;Fenn, Timothy D.;Pfeffer, Suzanne R.
通讯作者:
Pfeffer, Suzanne R.