Expression and functional characterization of human protein X variants in SV40-immortalized protein X-deficient and E2-deficient human skin fibroblasts.

Abstract excerpt

To gain further insight into the nature and function of the domains of the human protein X (a pyruvate dehydrogenase complex component also known as the E3-binding protein), we expressed the wild-type as well as two artificially created variants, K37E and S422H, in SV40-immortalized protein X-deficient and E2-deficient human skin fibroblasts. The former mutant does not carry the lipoic acid moiety, the latter...

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