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In the end of the 22.5 A section of Principles of biochemistry Written ''N-Formylmethionine in bacteria—or methionine in other organisms—is the first amino acid incorporated into proteins. After protein synthesis is under way, the N-terminal methionine can be either deformylated or removed from the polypeptide chain altogether.'' My question is : Why methionine amino acid in all species is the first amino acid in translation initiation? Is there a particular reason?

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