Immunogen sequence: PPYLPRQQSD GSLLRSQRPM GTSRRGLRGP AQVSAQLRAG GGGRDAPEAA AQSPCSVPSQ VPTPGFFSPA PRECLPPFLG VPKP Highest antigen sequence identity to the following orthologs: Mouse - 80%, Rat - 75%. This gene encodes a member of the sorting nexin family.