70FD1KFU70 1 E1UOL152H7 1 FeS bond covalency 1 FeS metalloproteins Iron 1 Iron-Sulfur Proteins 1 Journal Article 1 mehr ... Ligands 1 Research Support, N.I.H., Extramural 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 S donation 1 Sulfhydryl Compounds 1 Sulfur 1 X-ray absorption spectroscopy 1 ab initio WFN calculations 1 density functional theory 1 iron-sulfur clusters 1 population analysis methods 1 weniger ...