>1xu1_A mol:protein length:138 Tumor necrosis factor ligand superfamily member 13 KKHSVLHLVPVNITSKADSDVTEVMWQPVLRRGRGLEAQGDIVRVWDTGIYLLYSQVLF HDVTFTMGQVVSREGQGRRETLFRCIRSMPSDPDRAYNSCYSAGVFHLHQGDIITVKIP RANAKLSLSPHGTFLGFVKL