Immunogen sequence: EHSKGCAFAQ FMTQEAAQKC LLAASPENEA GGLKLDGRQL KVDLAVTRDE AAKLQTTKVK KPTGTRNLYL AREGLIRAGT KAAEGVSAAD MAKRERFELL KHQKLKDQNI FVSRTR Highest antigen sequence identity to the following orthologs: Mouse - 94%, Rat - 94%. Phosphoinositide-bin