The molecule is a tricarboxylic acid trianion resulting from the deprotonation of all three carboxy groups of vibrioferrin. The major species at pH 7.3. It has a role as a marine metabolite and a siderophore. It is a conjugate base of a vibrioferrin.
(2R)-2-[2-[2-[[(2S)-2-(2-carboxylato-2-hydroxy-5-oxopyrrolidin-1-yl)propanoyl]amino]ethoxy]-2-oxoethyl]-2-hydroxybutanedioate