>1CSB_1|Chains A, C[auth D]|CATHEPSIN B light chain|Homo sapiens (9606)
LPASFDAREQWPQCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHTN
>1CSB_2|Chains B, D[auth E]|CATHEPSIN B heavy chain|Homo sapiens (9606)
VSVEVSAEDLLTCCGSMCGDGCNGGYPAEAWNFWTRKGLVSGGLYESHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKICEPGYSPTYKQDKHYGYNSYSVSNSEKDIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVTGEMMGGHAIRILGWGVENGTPYWLVANSWNTDWGDNGFFKILRGQDHCGIESEVVAGIPRTD