What is "deuterolysin"

Deuterolysin (, Penicillium roqueforti protease II, microbial neutral proteinase II, acid metalloproteinase, neutral proteinase II, Penicillium roqueforti metalloproteinase) is an enzyme. This enzyme catalyses the following chemical reaction

Preferential cleavage of bonds with hydrophobic residues in P1'; also Asn-Gln and Gly-Ser bonds in insulin B chain

This enzyme is present in Penicillium roqueforti, P. caseicolum, Aspergillus sojae and A. oryzae.