Isopeptide bond: Difference between revisions
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An ''isopeptide bond'' is an amide bond between the sidechain of one [[amino acid]] and the sidechain or main chain terminus of another amino acid. | An ''isopeptide bond'' is an amide bond between the sidechain of one [[amino acid]] and the sidechain or main chain terminus of another amino acid. | ||
[[Image:Isopeptide-bond.jpg|300px]] | <br>[[Image:Isopeptide-bond.jpg|300px]] | ||
An isopeptide bonds makes a covalent link between polypeptide backbones. This is in contrast to the much more common [[Peptide bond|peptide (''eupeptide'') bonds]] between amino acid main chain atoms that form the polypeptide backbones of proteins. Isopepide bonds are rare. [[Disulfide bonds]] are a much more common form of covalent linkage between polypeptide chains. | An isopeptide bonds makes a covalent link between polypeptide backbones. This is in contrast to the much more common [[Peptide bond|peptide (''eupeptide'') bonds]] between amino acid main chain atoms that form the polypeptide backbones of proteins. Isopepide bonds are rare. [[Disulfide bonds]] are a much more common form of covalent linkage between polypeptide chains. | ||
