Signalling to actin assembly via the WASP (Wiskott-Aldrich syndrome protein)-family proteins and the Arp2/3 complex

TH Millard, SJ Sharp, LM Machesky - Biochemical Journal, 2004 - portlandpress.com
The assembly of a branched network of actin filaments provides the mechanical propulsion
that drives a range of dynamic cellular processes, including cell motility. The Arp2/3 complex …

Signaling to actin dynamics

LM Machesky, RH Insall - The Journal of cell biology, 1999 - rupress.org
THE actin cytoskeleton of a eukaryotic cell is central to locomotion, phagocytosis,
contractility, shape changes, cytokinesis and maintenance of polarity. The mechanisms …

Arp2/3 complex is bound and activated by two WASP proteins

SB Padrick, LK Doolittle… - Proceedings of the …, 2011 - National Acad Sciences
Actin related protein 2/actin related protein 3 (Arp2/3) complex nucleates new actin filaments
in eukaryotic cells in response to signals from proteins in the Wiskott–Aldrich syndrome …

The Wiskott–Aldrich syndrome protein directs actin-based motility by stimulating actin nucleation with the Arp2/3 complex

D Yarar, W To, A Abo, MD Welch - Current Biology, 1999 - cell.com
Actin polymerization at the cell cortex is thought to provide the driving force for aspects of
cell-shape change and locomotion. To coordinate cellular movements, the initiation of actin …

Activation of Arp2/3 complex by Wiskott-Aldrich Syndrome protein is linked to enhanced binding of ATP to Arp2

C Le Clainche, D Didry, MF Carlier… - Journal of Biological …, 2001 - ASBMB
In response to signaling, the Arp2/3 complex (actin-related proteins 2 and 3 complex) is
activated by binding the C-terminal (WA) domain of proteins of the Wiskott-Aldrich Syndrome …

Hierarchical regulation of WASP/WAVE proteins

SB Padrick, HC Cheng, AM Ismail, SC Panchal… - Molecular cell, 2008 - cell.com
Summary Members of the Wiskott-Aldrich syndrome protein (WASP) family control actin
dynamics in eukaryotic cells by stimulating the actin nucleating activity of the Arp2/3 …

Phosphorylation of the Arp2/3 complex is necessary to nucleate actin filaments

LL LeClaire III, M Baumgartner, JH Iwasa… - The Journal of cell …, 2008 - rupress.org
The actin-related protein 2/3 (Arp2/3) complex is the primary nucleator of new actin filaments
in most crawling cells. Nucleation-promoting factors (NPFs) of the Wiskott-Aldrich syndrome …

Physical mechanisms of signal integration by WASP family proteins

SB Padrick, MK Rosen - Annual review of biochemistry, 2010 - annualreviews.org
The proteins of the Wiskott-Aldrich syndrome protein (WASP) family are activators of the
ubiquitous actin nucleation factor, the Arp2/3 complex. WASP family proteins contain a C …

Critical conformational changes in the Arp2/3 complex are induced by nucleotide and nucleation promoting factor

ED Goley, SE Rodenbusch, AC Martin, MD Welch - Molecular cell, 2004 - cell.com
Actin nucleation and branching by the Arp2/3 complex is tightly regulated by activating
factors. However, the mechanism of Arp2/3 complex activation remains unclear. We used …

Cellular functions of WASP family proteins at a glance

O Alekhina, E Burstein… - Journal of cell …, 2017 - journals.biologists.com
ABSTRACT Proteins of the Wiskott–Aldrich syndrome protein (WASP) family function as
nucleation-promoting factors for the ubiquitously expressed Arp2/3 complex, which drives …