Structural analysis of the PP2C phosphatase tPphA from Thermosynechococcus elongatus: a flexible flap subdomain controls access to the catalytic site.

Abstract excerpt

The homologue of the phosphoprotein PII phosphatase PphA from Thermosynechococcus elongatus, termed tPphA, was identified and its structure was resolved in two different space groups, C222(1) and P4(1)2(1)2, at a resolution of 1.28 and 3.05 A, respectively. tPphA belongs to a large and widely distributed subfamily of Mg(2+)/Mn(2+)-dependent phosphatases of the PPM superfamily characterized by the lack of...

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