Article
Mutant profilin suppresses mutant actin-dependent mitochondrial phenotype in Saccharomyces cerevisiae.
The Journal of biological chemistry - 2 Dec 2011
Wen Kuo-Kuang, McKane Melissa, Stokasimov Ema, Rubenstein Peter A
Abstract excerpt
In the Saccharomyces cerevisiae actin-profilin interface, Ala(167) of the actin barbed end W-loop and His(372) near the C terminus form a clamp around a profilin segment containing residue Arg(81) and Tyr(79). Modeling suggests that altering steric packing in this interface regulates actin activity. An actin A167E mutation could increase interface crowding and alter actin regulation, and A167E does cause growth...
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