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Changes in ATCase Conformation Were Detected by Crystallizing the Enzyme

Question 7

Multiple Choice

Changes in ATCase conformation were detected by crystallizing the enzyme in the presence of PALA (N-(phosphonacetyl) -L-aspartate) . What is PALA?


A) a radioactive tag that binds to the subunits
B) a substrate analog that resembles the transition state
C) a fluorescent allosteric inhibitor analog
D) All of the answers are correct.
E) None of the answers is correct.

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