The molecule is a cyclic tetrapyrrole anion obtained by deprotonation of the carboxy groups of 15,17(3)-seco-F430-17(3)-acid; major species at pH 7.3. It is a hexacarboxylic acid anion and a cyclic tetrapyrrole anion. It is a conjugate base of a 15,17(3)-seco-F430-17(3)-acid.
3-[(1R,3S,4S,5S,8R,9S,10S,12Z,14S,15S,16Z,19S,20S)-5-(2-amino-2-oxoethyl)-4,14,19-tris(2-carboxylatoethyl)-9,15-bis(carboxylatomethyl)-5,20-dimethyl-22-oxo-23,24,26,27-tetraza-25-azanidahexacyclo[16.5.1.13,6.18,11.113,16.01,20]heptacosa-6(27),11(26),12,16,18(24)-pentaen-10-yl]propanoate;nickel