Philipp M, Bender ML (1983). "Kinetics of subtilisin and thiolsubtilisin". Mol. Cell. Biochem.51 (1): 5–32. PMID6343835. doi:10.1007/bf00215583.
Nedkov P, Oberthür W, Braunitzer G (April 1985). "Determination of the complete amino-acid sequence of subtilisin DY and its comparison with the primary structures of the subtilisins BPN', Carlsberg and amylosacchariticus". Biol. Chem. Hoppe-Seyler366 (4): 421–30. PMID3927935. doi:10.1515/bchm3.1985.366.1.421.
Philipp M, Bender ML (1983). "Kinetics of subtilisin and thiolsubtilisin". Mol. Cell. Biochem.51 (1): 5–32. PMID6343835. doi:10.1007/bf00215583.
Nedkov P, Oberthür W, Braunitzer G (April 1985). "Determination of the complete amino-acid sequence of subtilisin DY and its comparison with the primary structures of the subtilisins BPN', Carlsberg and amylosacchariticus". Biol. Chem. Hoppe-Seyler366 (4): 421–30. PMID3927935. doi:10.1515/bchm3.1985.366.1.421.