the sarcomeric alpha-actin was identified in myocytes on the basis of the unique electrophoretic mobility of its nh2-terminal tryptic peptide , the distribution of cleavage products that were obtained when the nh2-terminal tryptic peptide was subjected to secondary proteolytic cleavage with thermolysin and staphylococcus aureus v8 protease , and the presence of an additional cysteine residue at the nh2 terminus of the biosynthetic precursor of this novel alpha-actin .
C0597304
proteolytic
C0030946
protease