Given this short polypeptide:Met-Ala-Gly-SerA) Which is the amino terminal amino acid?B) How many amino acids are in this polypeptide?C) How many peptide bonds are in this polypeptide?D) Which amino acid has the smallest side chain?E) Which amino acid contains sulfur? Given this short polypeptide:Met-Ala-Gly-SerA) Which is the amino terminal amino acid?B) How many amino acids are in thispolypeptide?C) How many peptide bonds are in thispolypeptide?D) Which amino acid has the smallest sidechain?E) Which amino acid contains sulfur?

Answered: Given this short polypeptide:…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

Given this short polypeptide: Met-Ala-Gly-Ser A) Which is the amino terminal amino acid? B) How many amino acids are in this polypeptide? C) How many peptide bonds are in this polypeptide? D) Which amino acid has the smallest side chain? E) Which amino acid contains sulfur?

Expert Solution

Introduction

Proteins are folded polypeptides. Peptides are polymers of amino acid residues linked via a peptide bond. A peptide bond is formed between the carboxyl group of the N-terminal side amino acid residue and the amino group of the C-terminal side amino acid residue.