The interconnections among orbital interactions, electron delocalization and spin coupling in
iron-sulfur clusters are reviewed, with special attention to the complex nature of spin and …

Metabolic and signaling biochemical pathways have numerous steps that involve the
hydrolytic cleavage of peptide or phosphate ester bonds. Although both types of bonds are …

Binuclear metallohydrolases are a structurally diverse group of enzymes that use binuclear
metal ion centers to catalyze the hydrolysis of amides and esters of carboxylic and …

Water binding to the Mn4O5Ca cluster of the oxygen-evolving complex (OEC) of
Photosystem II (PSII) poised in the S2 state was studied via H217O-and 2H2O-labeling and …

We have performed continuous-wave electron paramagnetic resonance (CW-EPR) and
electron spin echo electron nuclear double resonance (ESE-ENDOR) experiments on the …

Conclusions In this study of cyclizations of conformationally rigid 2-but-3-enylcyclohexyl
radicals, we have conclusively shown that the stereochemical outcome of the reaction is …

The gene encoding the alkane ω-hydroxylase (AlkB; EC 1.14. 15.3) from Pseudomonas
oleovorans was expressed in Escherichia coli. The integral-membrane protein was purified …

Publisher Summary This chapter discusses the diversity of iron–sulfur proteins. From
consideration of the primary and tertiary structure of the iron–sulfur proteins determined so …

The R2 subunit of Escherichia coli ribonucleotide reductase (RNR) contains a stable tyrosyl
radical (• Y122) diferric cluster cofactor. Earlier studies on the cofactor assembly reaction …

Reaction of cis-[FeIII (cyclam) Cl2] Cl in acidic H2O/CH3OH or CH3CN/H2O mixtures with
NaN3 at 50° C produced upon addition of NaClO4 or NaPF6 the complex trans-[FeIII …