منابع مشابه
Studies on Cytochrome c Peroxidase
Apoproteins of cytochrome c peroxidase, horseradish peroxidase, and sperm whale myoglobin were recombined with manganese complexes of proto-, hemato-, meso-, and deuteroporphyrins to form manganese porphyrin-protein complexes. These complexes were purified by column chromatography. All the manganese porphyrin-containing cytochrome c peroxidases were crystallized. Light absorption maxima of mang...
متن کاملThe crystal structure of cytochrome c peroxidase.
The three-dimensional conformation of yeast cytochrome c peroxidase has been determined from a 2.5 A electron density map computed with phases obtained from two isomorphous mercury derivatives. Partial sequence information that has recently become available aided in completion of the tracing of the polypeptide backbone, confirmed the presence of a proximal histidine heme ligand and aided in ide...
متن کاملInvestigation of electron tunneling between cytochrome c peroxidase and cytochrome c.
The nature of electron transfer between the bound complex cytochrome c and cytochrome c peroxidase has been investigated. Experimental verification of the predicted charge-transfer band provides evidence of electron tunneling as the mechanism of transfer between these molecules in solution at room temperature. The measured transfer distance is congruent to 7 angstroms between heme edges, which ...
متن کاملComplex-formation between cytochrome c and cytochrome c peroxidase. Equilibrium and titration studies.
1. Physical studies of complex-formation between cytochrome c and yeast peroxidase are consistent with kinetic predictions that these complexes participate in the catalytic activity of yeast peroxidase towards ferrocytochrome c. Enzyme-ferricytochrome c complexes have been detected both by the analytical ultracentrifuge and by column chromatography, whereas an enzyme-ferrocytochrome c complex w...
متن کاملIn-silico Assessment of Protein-Protein Electron Transfer. A Case Study: Cytochrome c Peroxidase – Cytochrome c
The fast development of software and hardware is notably helping in closing the gap between macroscopic and microscopic data. Using a novel theoretical strategy combining molecular dynamics simulations, conformational clustering, ab-initio quantum mechanics and electronic coupling calculations, we show how computational methodologies are mature enough to provide accurate atomistic details into ...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1940
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)73036-6