What happens to arginine during citrullination?

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Multiple Choice

What happens to arginine during citrullination?

Explanation:
Citrullination is the enzymatic deimination of arginine residues by peptidylarginine deiminases. In this process, the guanidino group of arginine is hydrolyzed to form citrulline, with ammonia released. This converts arginine into citrulline, changing a positively charged residue to a neutral one and often altering protein function or antigenicity. So the correct outcome is that arginine becomes citrulline.

Citrullination is the enzymatic deimination of arginine residues by peptidylarginine deiminases. In this process, the guanidino group of arginine is hydrolyzed to form citrulline, with ammonia released. This converts arginine into citrulline, changing a positively charged residue to a neutral one and often altering protein function or antigenicity. So the correct outcome is that arginine becomes citrulline.

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