>sp|Q46IY4|URE2_PROMT Urease subunit beta OS=Prochlorococcus marinus GN=ureB
MSYLIPGELIPEDGFIELNKGRETTTLKVANTSDRPIQIGSHYHFFESNKGLEFDRKKSL
GKRLDIPAGTAIRFEPGDQREVNLVPYAGDRKIFGFNGLINNSLQQ