>tr|W7W9U3|W7W9U3_9BURK Urease subunit beta OS=Methylibium sp. T29 GN=ureB MTPGELLPSDGPDHVLNPDRRTLTLVIENGGDRPIQVGSHYHFAETNGALRFDRAAAHGM RLNIASGTAVRFEPGQQRTVELVDYAGDRTVYGFRGLVQGKL