Walker-A sequence and Walker-B box
Definition: specific distally related sequences in the a- and ß-subunits of ATP synthase as well as those of myosin, kinases, and other ATP-requiring enzymes contributing to an adenine nucleotide binding fold in both ATP synthase subunits.
[Walker, molecular biologist, University of Cambridge, U.K.]
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Examples: glitazone, GI cocktail, etc.