1YPS:
reference: 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., Olsen V, Guruprasad K, Cawley NX, Chen HC, Blundell TL, Loh YP, Biochemistry 1998 Mar 3;37(9):2768-77. PMID: 9485427

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