1H NMR Investigation of the Electronic and Molecular Structure of the Four-Iron Cluster Ferredoxin from the Hyperthermophile Pyrococcus furiosus. Identification of Asp 14 as a Cluster Ligand in Each of the Four Redox StatesLuigi Calzolai, Gerd N. La Mar, Carol M. Gorst et al.|Biochemistry|1995Cited by 80