Immunogen sequence: LEPPTDSSTA RRIEELQHNL QKKDADLRAM EERYRRYVDK ARMVMQTMEP KQRPAAGAPP ELHSLRTQLR ERDVRIRHLE MDFEKSRSQR EQEEKLLIS Highest antigen sequence identity to the following orthologs: Mouse - 78%, Rat - 78%. Hook proteins are cytosolic coiled-coil