To which amino acid is nitric oxide added, altering the activity, turnover and/or interactions of proteins like hemoglobin, Ras, ryanodine channels and caspases?
A)alanine
B)cysteine
C)methionine
D)asparagine
E)phenylalanine

Question

Quizplus · Accepted Answer

Nitric oxide is added to the amino acid cysteine, resulting in S-nitrosylation, which can alter the activity, turnover, and/or interactions of proteins.

To Which Amino Acid Is Nitric Oxide Added, Altering the Activity