>1PPG_1|Chain A[auth E]|HUMAN LEUKOCYTE ELASTASE|HOMO SAPIENS (9606) IVGGRRARPHAWPFMVSLQLRGGHFCGATLIAPNFVMSAAHCVANVNVRAVRVVLGAHNLSRREPTRQVFAVQRIFENGYDPVNLLNDIVILQLNGSATINANVQVAQLPAQGRRLGNGVQCLAMGWGLLGRNRGIASVLQELNVTVVTSLCRRSNVCTLVRGRQAGVCFGDSGSPLVCNGLIHGIASFVRGGCASGLYPDAFAPVAQFVNWIDSIIQ >1PPG_2|Chain B[auth I]|MEO-SUCCINYL-ALA-ALA-PRO-VAL CHLOROMETHYLKETONE| XAAPVX