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A group of lysosomal proteinases or endopeptidases found in aqueous extracts of a variety of animal tissues. They function optimally within an acidic pH range. The cathepsins occur as a variety of enzyme subtypes including SERINE PROTEASES; ASPARTIC PROTEINASES; and CYSTEINE PROTEASES.

Year introduced: 1979

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Tree Number(s): D08.811.277.656.224

MeSH Unique ID: D002403

Registry Number: EC 3.4.-

Entry Terms:

  • Cathepsin

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