>tr|A0A2Y9SFH5|A0A2Y9SFH5_PHYMC Neurexin-1 isoform X21 OS=Physeter macrocephalus OX=9755 GN=NRXN1 PE=4 SV=1 MYQRMLRCGAELGSPGGGGGGSGGGGAGGRLALLWIVPLTLSGLLGVAWGASSLGAHHIH HFHGSSKHHSVPIAIYRSPASLRGGHAGTTYIFSKGGGQITYKWPPNDRPSTRADRLAIG FSTVQKEAVLVRVDSSSGLGDYLELHIHQGKIGVKFNVGTDDIAIEESNAIINDGKYHVV RFTRSGGNATLQVDSWPVIERYPAGRQLTIFNSQATIIIGGKEQGQPFQGQLSGLYYNGL KVLNMAAENDANIAIVGNVRLVGEVPSSMTTESTATAMQSEMSTSIMETTTTLATSTARR GKPPTKEPISQTTDDILVASAECPSDDEDIDPCEPSSGGLANPTRAGGREPYPGSAEVIR ESSSTTGMVVGIVAAAALCILILLYAMYKYRNRDEGSYHVDESRNYISNSAQSNGAVVKE KQPSSAKSANKNKKNKDKEYYV