Peptide sequence: LGLLLAVVSL GSRASLSAQE PAQEELVAEE DQDPSELNPQ TEESQDPAPF Sequence homology: Dog: 79%; Horse: 93%; Human: 100%; Mouse: 83%; Rabbit: 83%; Rat: 86%; Zebrafish: 82%. TNF-related weak inducer of apoptosis (TWEAK) is a member of the tumor necro