Siezen, R.J.; Bruinenberg, P.G.; Vos, P.; van Alen-Boerrigter, I.; Nijhuis, M.; Alting, A.C.; Exterkate, F.A.; de Vos, W.M.
Engineering of the substrate-binding region of the subtilisin-like, cell-envelope proteinase of Lactococcus lactis (1993), Protein Eng., 6, 927-937.