Immunogen sequence: GTPPPLPPKN VPATPPRTGS PLTIGPGNDQ SATEVKIEKL PSINDLDSIF GPVLSPKSVA VNAEEKWVHF SDTSPEHVTP ELTPREKVVS PPATPDNPAD SP Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 87%. SGIP1 functions as an endocytic pro