>4QOC_1|Chains A, B[auth C], C[auth E], D[auth G], E[auth I], F[auth K]|E3 ubiquitin-protein ligase Mdm2|Homo sapiens (9606) GSQIPASEQETLVRPKPLLLKLLKSVGAQKDTYTMKEVLFYLGQYIMTKRLYDEKQQHIVYCSNDLLGDLFGVPSFSVKEHRKIYTMIYRNLVVVN