The Cell: A Molecular Approach 7th Edition

Published by Sinauer Associates
ISBN 10: 160535290X
ISBN 13: 978-1-60535-290-9

Chapter 2 - Molecules and Membranes - Question - Page 78: 7

Answer

Cysteine is an amino acid that contains sulfur.

Work Step by Step

Between two cystine residues (which can link two regions of a same polypeptide chain or different polypeptide chains), a disulfide bond is formed. In 3D structure determination, this process plays a fundamental role.
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