Essential for spermatogenesis and male fertility (By similarity). May play an important role in sperm head and tail formation (By similarity). May act as a tumor suppressor by inhibiting cell proliferation (By similarity). Interacts with alpha-and beta-tubulin (By similarity). Interacts with BBS2, BBS4, BBS5, MKKS, TCP1, CCT2, CCT3, CCT4, CCT5 and CCT7 (By similarity).