Title : ADF/cofilin binds phosphoinositides in a multivalent manner to act as a PIP(2)-density sensor.

Pub. Date : 2010 May 19

PMID : 20483342






3 Functional Relationships(s)
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1 The activities of ADF/cofilins are regulated by membrane phospholipid PI(4,5)P(2) in vitro and in cells, but the mechanism of the ADF/cofilin-PI(4,5)P(2) interaction has remained controversial. pi(4,5)p cofilin 1 Homo sapiens
2 Our analysis revealed that cofilin does not harbor a specific PI(4,5)P(2)-binding pocket, but instead interacts with PI(4,5)P(2) through a large, positively charged surface of the molecule. pi(4,5)p cofilin 1 Homo sapiens
3 Consequently, interactions of cofilin with membranes and actin exhibit sharp sensitivity to PI(4,5)P(2) density. pi(4,5)p cofilin 1 Homo sapiens