>tr|W7W6S9|W7W6S9_9BURK Urease subunit beta OS=Methylibium sp. T29-B GN=ureB MTPGELLPSDGPDHVLNPDRRTLTLVIENGGDRPIQVGSHYHFAETNGALRFDRAAAHGM RLNIASGTAVRFEPGQQRTVELVDYAGDRTVYGFRGLVQGKL