both km and kcat of ef-3 for atp ( km = 0.12 mm and kcat = 610 mol/mol/min ) and gtp ( km = 0.20 mm and kcat = 390 mol/mol/min ) are much higher than those of the gtpases of ef-1 alpha and ef-2 .
C0018296
gtpases
C0059037
ef-2