Peptide sequence: ELFSCNFSKN DVMLSAVVMT YWTNFAKTGD PNQPVPQDTK FIHTKPNRFE Sequence homology: Cow: 100%; Dog: 100%; Guinea Pig: 100%; Horse: 100%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%; Zebrafish: 100%. Neuroligin-4, X linked (also known as NLG