Immunogen sequence: SWGISHTRVP TESRPGHVAL IAGFYEDVSA VAKGWKENPV EFDSLFNESK YTWSWGSPDI LPMFAKGASG DHVYTYSYDA KREDFGAQDA TKLDTW Highest antigen sequence identity to the following orthologs: Mouse - 97%, Rat - 97%. PIGN is involved in glycosylphosphatidylin