Regulation of small gtpases by gefs, gaps, and gdis

J Cherfils, M Zeghouf - Physiological reviews, 2013 - journals.physiology.org
Small GTPases use GDP/GTP alternation to actuate a variety of functional switches that are
pivotal for cell dynamics. The GTPase switch is turned on by GEFs, which stimulate …

ARF GTPases and their GEFs and GAPs: concepts and challenges

E Sztul, PW Chen, JE Casanova… - Molecular biology of …, 2019 - Am Soc Cell Biol
Detailed structural, biochemical, cell biological, and genetic studies of any gene/protein are
required to develop models of its actions in cells. Studying a protein family in the aggregate …

The Ras superfamily at a glance

K Wennerberg, KL Rossman… - Journal of cell …, 2005 - journals.biologists.com
GXXXXGKS/T; G2, T; G3, DXXGQ/H/T; G4, T/NKXD; and G5, C/SAK/L/T (Bourne et al.,
1991)(Fig. S1 in supplementary material). Together, these elements make up an~ 20 kDa G …

Ubiquitin Ser65 phosphorylation affects ubiquitin structure, chain assembly and hydrolysis

T Wauer, KN Swatek, JL Wagstaff, C Gladkova… - The EMBO …, 2015 - embopress.org
The protein kinase PINK 1 was recently shown to phosphorylate ubiquitin (Ub) on Ser65,
and phosphoUb activates the E3 ligase Parkin allosterically. Here, we show that PINK 1 can …

[HTML][HTML] ARF proteins: roles in membrane traffic and beyond

C D'Souza-Schorey, P Chavrier - Nature reviews Molecular cell biology, 2006 - nature.com
The ADP-ribosylation factor (ARF) small GTPases regulate vesicular traffic and organelle
structure by recruiting coat proteins, regulating phospholipid metabolism and modulating the …

The Ras protein superfamily: evolutionary tree and role of conserved amino acids

AM Rojas, G Fuentes, A Rausell, A Valencia - Journal of Cell Biology, 2012 - rupress.org
The Ras superfamily is a fascinating example of functional diversification in the context of a
preserved structural framework and a prototypic GTP binding site. Thanks to the availability …

Structure-function relationships of the G domain, a canonical switch motif

A Wittinghofer, IR Vetter - Annual review of biochemistry, 2011 - annualreviews.org
GTP-binding (G) proteins constitute a class of P-loop (phosphate-binding loop) proteins that
work as molecular switches between the GDP-bound OFF and the GTP-bound ON state. The …

Structural basis for the docking of mTORC1 on the lysosomal surface

KB Rogala, X Gu, JF Kedir, M Abu-Remaileh… - Science, 2019 - science.org
The mTORC1 (mechanistic target of rapamycin complex 1) protein kinase regulates growth
in response to nutrients and growth factors. Nutrients promote its translocation to the …

The small G proteins of the Arf family and their regulators

AK Gillingham, S Munro - Annu. Rev. Cell Dev. Biol., 2007 - annualreviews.org
Small G proteins play a central role in the organization of the secretory and endocytic
pathways. The majority of such small G proteins are members of the Rab family, which are …

Assembly dynamics of the bacterial MinCDE system and spatial regulation of the Z ring

J Lutkenhaus - Annu. Rev. Biochem., 2007 - annualreviews.org
The positioning of a cytoskeletal element that dictates the division plane is a fundamental
problem in biology. The assembly and positioning of this cytoskeletal element has to be …