>tr|A0A0D9SFY6|A0A0D9SFY6_HUMAN Neurexin 1 OS=Homo sapiens OX=9606 GN=NRXN1 PE=1 SV=1 MVVGIVAAAALCILILLYAMYKYRNRDEGSYHVDESRNYISNSAQSNGAVVKEKQPSSAK SSNKNKKNKDKEYYV