preferred_name: GDP is exchanged for GTP on DRheb (Drosophila melanogaster)
preferred_name_lc: gdp is exchanged for gtp on drheb (drosophila melanogaster)
label: GDP is exchanged for GTP on DRheb (Drosophila melanogaster)
label_lc: gdp is exchanged for gtp on drheb (drosophila melanogaster)