the mechanism for guanine nucleotide exchange with eukaryotic initiation factor-2 ( eif-2 ) from drosophila melanogaster embryos was studied using the reaction eif-2 x [ 3h ] gdp + gdp ( gtp ) in equilibrium eif-2 x gdp ( gtp ) + [ 3h ] gdp .
C0018328
guanine nucleotide
C0018353
gtp