Additional specific amino acid substitutions are also disclosed which characterize and distinguish additional phytases of the invention having improved properties such as temperature and pH stability, {HEAD ~ pH activity profile}, temperature activity profile, substrate profile, improved performance in animal feed in vitro or in {TAIL ~ vivo} 
Additional specific amino acid substitutions are also disclosed which characterize and distinguish additional phytases of the invention having improved properties such as temperature and pH stability , { HEAD ~ pH activity profile } , temperature activity profile , substrate profile , improved performance in animal feed in vitro or in { TAIL ~ vivo }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL