Fundamentals of Biochemistry: Life at the Molecular Level 5th Edition

Published by Wiley
ISBN 10: 1118918401
ISBN 13: 978-1-11891-840-1

Chapter 4 - Amino Acids - Exercises - Page 95: 16

Answer

The alcohol group is replaced by a phosphate group

Work Step by Step

When a tyrosine residue is phosphorylated, the phosphate group is added to the hydroxyl group (-OH) of the phenolic side chain, resulting in the formation of a phosphotyrosine residue.
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