The molecule is a citrate siderophore possessing four carboxylate groups suitable for iron coordination. It has a role as a siderophore. It is a conjugate base of an achromobactin free acid.
1-[2-[(3R)-3-carboxylato-5-[[3-carboxylato-3-(2-carboxylato-2-hydroxy-5-oxopyrrolidin-1-yl)propyl]amino]-3-hydroxy-5-oxopentanoyl]oxyethyl]-2-hydroxy-5-oxopyrrolidine-2-carboxylate