Amino Acids: Difference between revisions
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===Postranslational modifications=== | ===Postranslational modifications=== | ||
Many unusual amino acids are formed by enzyme-catalyzed reactions that modify a standard amino acid after it has been included in a polypeptide; these are called post-translational modifications. Among them: | Many unusual amino acids are formed by enzyme-catalyzed reactions that modify a genetically encoded standard amino acid after it has been included in a polypeptide; these are called post-translational modifications. Among them: | ||
* phosphorylation of serine, threonine, or tyrosine | * phosphorylation of serine, threonine, or tyrosine | ||
** Example: C kinase [[1bkx]] | ** Example: C kinase [[1bkx]] | ||