>sp|A3DGF9|URE2_ACET2 Urease subunit beta OS=Acetivibrio thermocellus GN=ureB MIPGEYIIKNEFITLNDGRRTLNIKVSNTGDRPVQVGSHYHFFEVNRYLEFDRKSAFGMR LDIPSGTAVRFEPGEEKTVQLVEIGGSREIYGLNDLTCGPLDREDLSNVFKKAKELGFKG VE