the primary structure of human d , the serine protease activating the c3 convertase of the alternative complement pathway , has been deduced by sequencing peptides derived from various chemical ( cnbr and o-iodosobenzoic acid ) and enzymatic ( trypsin , lysine protease , staphylococcus aureus v8 protease , and chymotrypsin ) cleavages .
C0036734
serine protease
C0030946
protease