title: A modified Lowry procedure suitable for assay of proteinase activity especially in crude enzyme preparations containing purine bases.
mesh_terms: D000818:Animals; D010450:Endopeptidases / Q000378:metabolism*; D005260:Female; D008099:Liver / Q000201:enzymology; D010636:Phenols; D011687:Purines; D051381:Rats; D013053:Spectrophotometry; D013438:Sulfhydryl Compounds
chemical_list: D010636:Phenols; D011687:Purines; D013438:Sulfhydryl Compounds; D010450:Endopeptidases