>1pek_A: PROTEINASE K AAQTNAPWGLARISSTSPGTSTYYYDESAGQGSCVYVIDTGIEASHPEFEGRAQMVKTYYYSSRDGNGHGTHCAGTVGSR TYGVVKKTQLFGVKVLDDNGSGQYSTIIAGMDFVASDKNNRNCPKGVVASLSLGGGYSSSVNSAAARLQSSGVMVAVAAG NNNADARNYSPASEPSVCTVGASDRYDRRSSFSNYGSVLDIFGPGTSILSTWIGGSTRSISGTSMATPHVAGLAAYLMTL GKTTAASACRYIADTANKGDLSNIPFGTVNLLAYNNYQA >1pek_B: PEPTIDE PRO-ALA-PRO-PHE PAPF >1pek_C: D-DAL-ALA-NH2 AAX