What is always the first amino acid incorporated at the N-terminus of a nascent polypeptide chain?
A)cysteine
B)cystine
C)methionine
D)asparagine
E)glycine

Name: What is always the first amino acid incorporated at the N-terminus of a nascent polypeptide chain? A)cysteine B)cystine C)methionine D)asparagine E)glycine
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Question

Quizplus · Accepted Answer

Methionine is always the first amino acid incorporated at the N-terminus of a nascent polypeptide chain in eukaryotes and archaea. In bacteria, it could be formylmethionine.

What Is Always the First Amino Acid Incorporated at the N-Terminus