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Proteinase K, RNase DNase free 1336 21 6 a human blood serum metabolite N1092180 100 a human blood serum metabolite HEPES interferes with reactions between DNA and restriction enzymes to a lesser extent than similar buffers with less substituted amine groups 0 μmol tyrosine (Folin positive amino acid) from casein per minute at 37°C Proteinase K is a highly reactive nonspecific serine protease that belongs to the subtilisin family of proteins
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