نتایج جستجو برای: iron iii complex

تعداد نتایج: 1145934  

Journal: :Applied and environmental microbiology 1993
A J Francis C J Dodge

The biodegradation of iron-citrate complexes depends on the structure of the complex formed between the metal and citric acid. Ferric iron formed a bidentate complex with citric acid, [Fe(III) (OH)(2) cit] involving two carboxylic acid groups, and was degraded at the rate of 86 muM h. In contrast, ferrous iron formed a tridentate complex with citric acid, [Fe(II) cit], involving two carboxylic ...

Journal: :Dalton transactions 2012
Irina A Golenya Elzbieta Gumienna-Kontecka Aleksander N Boyko Matti Haukka Igor O Fritsky

An unprecedented encapsulation of an exogenous sodium ion by iron(III) tris(hydroxamate)s was observed upon crystallization of an iron(III) complex with isonicotinylhydroxamic acid. The sodium cation is bound by bridging coordination of the amide oxygen atoms from two mononuclear iron(III) fac-tris(hydroxamate)s.

1997
A. A. Kamnev

Fe(III) oxides hydrated to various extents are the most abundant iron species in soil. Their extremely low solubility makes them almost unavailable to living organisms. To cope with iron deficiency, many microorganisms synthesize and secrete siderophores [1–5], which are low-molecular-weight compounds that specifically chelate Fe(III) to form stable complexes, into the soil (association constan...

Journal: :Journal of computer-aided molecular design 1998
Marcel J. de Groot Remco W. A. Havenith H. Maarten Vinkers Renate Zwaans Nico P. E. Vermeulen Joop H. van Lenthe

Geometry optimizations for several spin states of the iron(III)-S-methyl- porphyrin complex, the iron (III)-oxo-S-methyl-porphyrin complex and the respective anions were performed in order to examine models for intermediates in the oxidative cycle of cytochrome P450. The aim of this study was to obtain insights into the ground states of the intermediates of this catalytic cycle and to use the a...

2014
Mina Davoudi Heike Kotarsky Eva Hansson Vineta Fellman

Functional oxidative phosphorylation requires appropriately assembled mitochondrial respiratory complexes and their supercomplexes formed mainly of complexes I, III and IV. BCS1L is the chaperone needed to incorporate the catalytic subunit, Rieske iron-sulfur protein, into complex III at the final stage of its assembly. In cell culture studies, this subunit has been considered necessary for sup...

Journal: :The Journal of biological chemistry 1984
Y Shimomura M Nishikimi T Ozawa

An iron-sulfur protein has been purified from beef heart ubiquinol-cytochrome c oxidoreductase (Complex III) of the mitochondrial respiratory chain by phenyl-Sepharose column chromatography and Sephacryl S-200 gel chromatography. Depletion of most of the endogenous phospholipids in the complex was a prerequisite to the dissociation of the protein from the complex in the former chromatography. T...

Journal: :Acta Crystallographica Section C Crystal Structure Communications 1995

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