Immunogen sequence: TQFPVSTESQ KPRQKKAPEF PILEKQNWLI HLHYIRKDYE ACKAVIKEQL QETQGLCEYA IYVQALIFRL EGNIQESL Highest antigen sequence identity to the following orthologs: Mouse - 92%, Rat - 91%. BBS4 contains tetratricopeptide repeats (TPR), similar to O-li