>10KU_1|Chains A, B, C, D|Serine protease 57|Homo sapiens (9606) IIGGHEVTPHSRPYMASVRFGGQHHCGGFLLRARWVVSAAHCFSHRDLRTGLVVLGAHVLSTAEPTQQVFGIDALTTHPDYHPMTHANDICLLRLNGSAVLGPAVGLLRLPGRRARPPTAGTRCRVAGWGFVSDFEELPPGLMEAKVRVLDPDVCNSSWKGHLTLTMLCTRSGDSHRRGFCSADAGGPLVCRNRAHGLVSFSGLWCGDPKTPDVYTQVSAFVAWIWDVVRRS >10KU_2|Chains E, F, G, H[auth I]|MCP3|synthetic construct (32630) XFTTTRRRRIIGPCX