>5FMK_1|Chain A|BCL-XL|HOMO SAPIENS (9606) GPLGSMSQSNRELVVDFLSYKLSQKGYSWSQMAAVKQALREAGDEFELRYRRAFSDLTSQLHITPGTAYQSFEQVVNELFRDGVNWGRIVAFFSFGGALCVESVDKEMQVLVSRIASWMATYLNDHLEPWIQENGGWDTFVELYGNNAAAESRKGQER >5FMK_2|Chain B|BCL-2 HOMOLOGOUS ANTAGONIST/KILLER|HOMO SAPIENS (9606) LPLQPSSTMGQVGRQLAIIGDDINRRYDSEFQTM