GTPase-Activating Proteins

Dock2 generates characteristic spatiotemporal patterns of Rac activity to regulate neutrophil polarisation, migration and phagocytosis
INTRODUCTION: Rac-GTPases and their Rac-GEF activators play important roles in neutrophil-mediated host defence. These proteins control …
Polly A. Machin, Anna-Karin E. Johnsson, Ellie J. Massey, Chiara Pantarelli, Stephen A. Chetwynd, Julia Y. Chu, Hanneke Okkenhaug, Anne Segonds-Pichon, Simon Walker, Angeliki Malliri, Yoshinori Fukui, Heidi C. E. Welch
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P-Rex1 directly activates RhoG to regulate GPCR-driven Rac signalling and actin polarity in neutrophils
G-protein-coupled receptors (GPCRs) regulate the organisation of the actin cytoskeleton by activating the Rac subfamily of small …
George Damoulakis, Laure Gambardella, Kent L. Rossman, Campbell D. Lawson, Karen E. Anderson, Yoshinori Fukui, Heidi C. Welch, Channing J. Der, Len R. Stephens, Phillip T. Hawkins
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Ca2+-dependent monomer and dimer formation switches CAPRI Protein between Ras GTPase-activating protein (GAP) and RapGAP activities
CAPRI is a member of the GAP1 family of GTPase-activating proteins (GAPs) for small G proteins. It is known to function as an amplitude …
Yanfeng Dai, Simon A. Walker, Edwin De Vet, Simon Cook, Heidi C. E. Welch, Peter J. Lockyer
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P-Rex2 regulates Purkinje cell dendrite morphology and motor coordination
The small GTPase Rac controls cell morphology, gene expression, and reactive oxygen species formation. Manipulations of Rac activity …
Sarah Donald, Trevor Humby, Ian Fyfe, Anne Segonds-Pichon, Simon A. Walker, Simon R. Andrews, W. John Coadwell, Piers Emson, Lawrence S. Wilkinson, Heidi C. E. Welch
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