Immunogen sequence: EPGLVMSSCL DEPATEFFGN TAEQTEQFLQ QNRTKQVEGV TRRHVLSDLE DDEVRDLGST GTSSVQRQEV KIEESEASVE GFSELENSEE TRTESWELKN. Ninein is a component of subdistal appendages of the mother centriole, localized specifically in the pericentriolar matrix