>sp|A2C4S1|URE2_PROM1 Urease subunit beta OS=Prochlorococcus marinus GN=ureB
MSYLIPGELIPEDGFIELNKGRETTTLKVANTSDRPIQIGSHYHFFESNKGLEFDRKKSL
GKRLDIPAGTAIRFEPGDQREVNLVPYAGDRKIFGFNGLINNSLQQ