Peptide sequence: VFDLTTTPKG GTPAGSARGS PTRPNPPVRN LHQSGFSLSG TQVDEGVRSA Sequence homology: Cow: 100%; Dog: 100%; Guinea Pig: 100%; Horse: 93%; Human: 100%; Mouse: 100%; Rabbit: 93%; Rat: 100%. DPYSL3 is necessary for signaling by class 3 semaphorins and