treatment of biosynthetic proinsulin with trypsin under mild conditions led to a decrease in proinsulin-like immunoreactivity concomitant with an increase in c-peptide and insulin-like immunoreactivity , indicating that the proinsulin-specific antiserum did not preferentially recognize intermediates of proinsulin cleavage .
C0006558
c-peptide
C0033362
proinsulin