cathepsin

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cathepsin

[kə′thep·sən]
(biochemistry)
Any of several proteolytic enzymes occurring in animal tissue that hydrolyze high-molecular-weight proteins to proteoses and peptones.
References in periodicals archive ?
Cathepsin L, a lysosomal endopeptidase, is a member of the papain-like family of cysteine proteinases (1).