>4J45_1|Chains A, C|E3 ubiquitin-protein ligase XIAP|Homo sapiens (9606) GTIYPRNPAMYSEEARLKSFQNWPDYAHLTPRELASAGLYYTGIGDQVQCFACGGKLKNWEPGDRAWSEHRRHFPNCFFVLGRNLN >4J45_2|Chain B|PEPTIDE (ALA-THR-ALA-ALA)|HOMO SAPIENS (9606) ATAA