The molecule is trianion of N(5)-formyl-5,6,7,8-tetrahydromethanopterin arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3. It is a dicarboxylic acid dianion and an organophosphate oxoanion. It is a conjugate base of a N(5)-formyl-5,6,7,8-tetrahydromethanopterin.
(2S)-2-[[(2R,3S,4R,5S)-5-[(2R,3S,4S)-5-[4-[[(1R)-1-[(7S)-2-amino-5-formyl-7-methyl-4-oxo-3,6,7,8-tetrahydropteridin-6-yl]ethyl]amino]phenyl]-2,3,4-trihydroxypentoxy]-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl]oxypentanedioate