In the b-sheet of the -α-β-α-segment of myosin,a particular sequence likely binds ATP and is found in other nucleotide-binding proteins.Which of the following represents that sequence?
A)Cys-X-X-Cys-X-His
B)Arg-X-X-His-X-Gly
C)Gly-X-X-Gly-X-Gly
D)Lys-X-Gly-X-X-Ser

Question

Quizplus · Accepted Answer

The sequence Gly-X-X-Gly-X-Gly is characteristic of the nucleotide-binding motif known as the Walker A motif or P-loop, which is commonly found in ATP and GTP-binding proteins.

In the B-Sheet of the -α-β-α-Segment of Myosin,a Particular Sequence