>1XU1_1|Chains A, B, C[auth D]|Tumor necrosis factor ligand superfamily member 13|Mus musculus (10090) KKHSVLHLVPVNITSKADSDVTEVMWQPVLRRGRGLEAQGDIVRVWDTGIYLLYSQVLFHDVTFTMGQVVSREGQGRRETLFRCIRSMPSDPDRAYNSCYSAGVFHLHQGDIITVKIPRANAKLSLSPHGTFLGFVKL >1XU1_2|Chains D[auth R], E[auth S], F[auth T]|Tumor necrosis factor receptor superfamily member 13B|Homo sapiens (9606) SLSCRKEQGKFYDHLLRDCISCASICGQHPKQCAYFCENKLR