The invention provides a novel Bin1b protein, and its encoding polynucleotide.
Bin1b protein is a natural antimicrobial peptide and associates to sperm maturation.
The invention also discloses the preparation and uses of Bin1b protein and nucleic
acid. Bin1b protein is useful to treat various diseases, e.g, urogenital infection.
The invention also provides a pharmaceutical composition containing Bin1b protein.
