Mouse spermatozoa contain a nuclease that is activated by pretreatment with EGTA and subsequent calcium incubation.
Boaz SM, Dominguez K, Shaman JA, Ward WS. Mouse spermatozoa contain a nuclease that is activated by pretreatment with EGTA and subsequent calcium incubation. J Cell Biochem. 2008 Apr 01; 103(5):1636-45.