>sp|Q8XAG2|URE3_ECO57 Urease subunit gamma OS=Escherichia coli O157:H7 OX=83334 GN=ureA1 PE=3 SV=1 MELTPREKDKLLLFTAALLAERRLARGLKLNYPESVALISAFIMEGARDGKSVAALMEEG RHVLSREQVMEGIPEMIPDIQVEATFPDGSKLVTVHNPII