SPERM SPECIFIC ANTIGENS 4.1 AND 6.7, DNA ENCODING THEM AND CONTRACEPTIVE VACCINES COMPRISING SAID SPERM ANTIGENS

摘要

The present invention is directed to mammalian sperm specific proteins 4.1 and 6.7, and nucleotide sequences encoding said proteins, as well as pharmaceutical formulations, in particular vaccines comprising said proteins. The proteins 4.1 and 6.7 are sperm specific and can be used in a vaccine to prevent or reduce fertility in subjects.