>sp|Q21P95|URE2_SACD2 Urease subunit beta OS=Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024) OX=203122 GN=ureB PE=3 SV=1 MKPGEYDIQPGEIILNEGRARLTITVENSGDRPIQVGSHYHFYETNPALVFDREKTRGYR LNIAAGTAVRFEPGQDREVELVEVSGNKIIYGFRGEIMGEL