Article
N-ethylmaleimide-sensitive mutant (beta Val-153-->Cys) Escherichia coli F1-ATPase: cross-linking of the mutant beta subunit with the alpha subunit.
FEBS letters - 26 Sept 1994
Iwamoto A, Orita-Saita Y, Maeda M, Futai M
Abstract excerpt
A beta subunit mutation, beta Val-153-->Cys, in the glycine-rich sequence (phosphate-binding loop) of Escherichia coli F1 was constructed. Like vacuolar-type ATPase, the mutant enzyme was inhibited by N-ethylmaleimide (NEM) and labeled with [14C]NEM. The inhibition and labeling were prevented by ATP. m-Maleimidobenzoyl-N-hydroxysuccinimide (MBS) (3 microM) almost completely inhibited the mutant enzyme, and...
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