>1sua_C mol:protein length:4 TETRAPEPTIDE ALA-LEU-ALA-LEU ALAL >1sua_A mol:protein length:266 SUBTILISIN BPN' AQSVPYGVSQIKAPALHSQGYTGSNVKVAVIDSGIDSSHPDLNVAGGASFVPSETNPFQ DNNSHGTHVAGTVLAVAPSASLYAVKVLGADGSGQYSWIINGIEWAIANNMDVINMSLG GPSGSAALKAAVDKAVASGVVVVAAAGNEGTSGSSSTVGYPGKYPSVIAVGAVDSSNQR ASFSSVGPELDVMAPGVSIVSTLPGNKYGAKSGTAMASPHVAGAAALILSKHPNWTNTQ VRSSLENTTTKLGDSFYYGKGLINVEAAAQ >1sua_C mol:protein length:4 TETRAPEPTIDE ALA-LEU-ALA-LEU ALAL