>sp|Q17VS7|URE23_HELAH Urease subunit alpha OS=Helicobacter acinonychis GN=ureA MKLTPKELDKLMLHYAGELAKKRKERGIKLNYVEAVALISAHVMEEARAGKKSAAELMQE GRTLLKPDDVMDGVASMIHEVGIEAMFPDGTKLVTVHTPIESKGKLVPGELFLKNEDITI NEGKQAISVKVKNVGDRPVQIGSHFHFFEVNRCLDFDREKAFGKRLDIASGTAVRFEPGE EKSVELIDIGGNRRIFGFNALVDRQADNESKKIALHRAKERGFHGAKSDDNYVKTIKE