the enzyme also hydrolyzes the phe-ser peptide bond in lys-bk , met-lys-bk , des-arg1-bk , lys9-bk , pro-gly-phe-ser-pro-phe-arg , and gly-pro-phe-ser-pro-phe-arg , but does not hydrolyze ( 0.1 % ) this bond in des-phe8-arg9-bk .
C0022474
lys-bk
C0006100
bk