^“Specificity and kinetic studies on the cleavage of various prohormone mono- and paired-basic residue sites by yeast aspartic protease 3”. The Journal of Biological Chemistry271 (8): 4168–76. (February 1996). doi:10.1074/jbc.271.8.4168. PMID8626758.
^“Yapsin 2”. Handbook of Proteolytic Enzymes. London: Academic Press. (1998). pp. 908–909
^“Cleavage efficiency of the novel aspartic protease yapsin 1 (Yap3p) enhanced for substrates with arginine residues flanking the P1 site: correlation with electronegative active-site pockets predicted by molecular modeling”. Biochemistry37 (9): 2768–77. (March 1998). doi:10.1021/bi9724826. PMID9485427.