Accepted name: oligopeptidase B
Reaction: Hydrolysis of -Arg┼, -Lys┼ bonds in oligopeptides, even when P1′ residue is proline
Other name(s): protease II; Escherichia coli alkaline proteinase II; protease II
Comments: Known from Escherichia coli. Inhibited by Tos-Lys-CH2Cl. In peptidase family S9 (prolyl oligopeptidase family)
1.  Kanatani, A., Masuda, T., Shimoda, T., Misoka, F., Lin, X.S., Yoshimoto, T. and Tsuru, D. Protease II from Escherichia coli: sequencing and expression of the enzyme gene and characterization of the expressed enzyme. J. Biochem. (Tokyo) 110 (1991) 315–320. [PMID: 1769955]
[EC created 1993]