Term Name:	iron-sulfur-vanadium cofactor
Synonyms:	7Fe-V-9S-X-homocitryl cluster, [7Fe-V-9S-C-homocitryl] cluster, nitrogenase iron-vanadium cofactor
Definition:	A 7Fe-V-9S-X-homocitryl cluster, the structure of which is assumed to be analogous to the 7Fe-Mo-9S-X-homocitryl cluster. The identity of the X atom is not known, possibly carbon or oxygen.
Ontology:	ChEBI [CHEBI:60357]  ( EBI )