The mouse complement regulator CD59b is significantly expressed only in testis and plays roles in sperm acrosome activation and motility
Molecular Immunology (2008) - Comments
pubmed: 17597212  doi: 10.1016/j.molimm.2007.05.011  issn: 0161-5890 

Rossen M. Donev, Baalasubramanian Sivasankar, Masashi Mizuno, B. Paul Morgan