- cDNA cloning and characterization of a human sperm antigen (SPAG6) with homology to the product of the Chlamydomonas PF16 locus. Neilson, L.I., Schneider, P.A., Van Deerlin, P.G., Kiriakidou, M., Driscoll, D.A., Pellegrini, M.C., Millinder, S., Yamamoto, K.K., French, C.K., Strauss, J.F. Genomics (1999)