>tr|A0A5Q0GEW4|A0A5Q0GEW4_9NOST Urease subunit beta OS=Anabaena sp. YBS01 GN=ureB MIPGEIITPDGEIELNAGRNTVKLSVANAGDRPIQVGSHFHFYEVNHGLIFDRELALGMR LDIPAGTAVRFEPGDEKEVTLVPLVGSREVYGFNGRVNGEINAEGRGG