Endopeptidaseorendoproteinase are proteolytic peptidases that break peptide bonds of nonterminal amino acids (i.e. within the molecule), in contrast to exopeptidases, which break peptide bonds from end-pieces of terminal amino acids.[1] For this reason, endopeptidases cannot break down peptides into monomers, while exopeptidases can break down proteins into monomers. A particular case of endopeptidase is the oligopeptidase, whose substrates are oligopeptides instead of proteins.
They are usually very specific for certain amino acids. Examples of endopeptidases include:
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3.4.11-19: Exopeptidase |
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3.4.21-25: Endopeptidase |
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3.4.99: Unknown |
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