>sp|A8G4K4|UREF_PROM2 Urease accessory protein UreF OS=Prochlorococcus marinus GN=ureF MSKSHLLKYLLISPNLPVGGFCYSEGLESYLNTKDLKDSNSVKELIISELKIGQIRLDAR LLLDFFDIFNELNEDKNFKNNLQKLLSLDKWILSSKDSVEMRAQQIQMANSLFDLNKEFG FEYLYKKNKKNSWPLAWSWSCYCFEITKLEMVETFLYAWSANQLSAALRIIPIGSTKAQL IQRDLLEIISKVSREIMDKEIDDIYFGNVGLAMAQQNHNELYTKLFRN