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Curr Opin Cell Biol. 1993 Feb;5(1):63-9.

F-actin capping proteins.

Author information

1
MRC Laboratory of Molecular Biology, Cambridge, UK.

Abstract

Recent research on F-actin capping proteins has concentrated on three main areas. The discovery that controlled actin polymerization is the driving force for intracellular movement suggests an important role for capping proteins in regulating filament number and length. A capping protein from Dictyostelium (related to heat-shock protein HSP70) has been characterized that is activated by external stimuli. This provides a pivotal connection between extracellular signalling, cytoskeletal reorganization and locomotory behaviour. The roles of individual actin-binding sites in the gelsolin family of severing/capping proteins and binding sites for phosphatidylinositol 4,5-bisphosphate have been identified.

PMID:
8383512
DOI:
10.1016/s0955-0674(05)80009-2
[Indexed for MEDLINE]

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