The molecule is a nucleotide-sugar oxoanion obtained by deprotonation of the diphosphate OH groups of GDP-4-amino-3,4,6-trideoxy-alpha-D-threo-hex-3-enopyranose; major species at pH 7.3. It is a conjugate base of a GDP-4-amino-3,4,6-trideoxy-alpha-D-threo-hex-3-enopyranose.
[(2R,3S,6R)-5-amino-3-hydroxy-6-methyl-3,6-dihydro-2H-pyran-2-yl] [[(2R,3S,4R,5R)-5-(2-amino-6-oxo-1H-purin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] phosphate