Peptide sequence: PFSGERPRRI DWMVPEAHRQ NCRKKGKKEG DLGGRKTLQQ RWTTFLKADL Sequence homology: Cow: 100%; Dog: 93%; Guinea Pig: 100%; Horse: 100%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%. SEMA4F has growth cone collapse activity against retinal ga