The posttranslational modification involving nitric oxide is called __________________(a) N-nitrosylation(b) P-nitrosylation(c) N-glycosylation(d) S-nitrosylationThe question was posed to me in homework.My query is from Cell Signaling and Signal Transduction topic in portion Cell Signaling and Signal Transduction of Cell Biology

The posttranslational modification involving nitric oxide is called __

1.	The posttranslational modification involving nitric oxide is called __________________(a) N-nitrosylation(b) P-nitrosylation(c) N-glycosylation(d) S-nitrosylationThe question was posed to me in homework.My query is from Cell Signaling and Signal Transduction topic in portion Cell Signaling and Signal Transduction of Cell Biology
Answer» The correct ANSWER is (d) S-nitrosylation Explanation: The posttranslational modification wherein NITRIC oxide (NO) is covalently ADDED to the thiol group of a PROTEIN cysteine RESIDUE (S-NO) is called S-nitrosylation.This modification alters the activity and interactions of the protein.

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