Has antibacterial activity against the Gram-negative bacteria E.coli. May play a role in sperm maturation and fertilization.
Subcellular locations: Secreted
Probably secreted into the epididymis lumen, where it localizes to the outer surface of sperm. Specifically localizes to the postacrosomal and tail regions of sperm.
Detected in the epithelium and lumen of the epididymis, and in sperm (at protein level).