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Definition English:
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A lysosomal cysteine proteinase which hydrolyzes proteins, with a specificity resembling that of papain. The enzyme is present in a variety of tissues and is important in many physiological and pathological processes. In pathology, cathepsin B has been found to be involved in demyelination, emphysema, rheumatoid arthritis, and neoplastic infiltration. EC 3.4.22.1. |