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Iron chlorin-reconstituted histidine-ligated heme proteins as models for naturally occurring iron chlorin proteins: magnetic circular dichroism spectroscopy as a probe of iron chlorin coordination structure
- Source :
- Inorganic Chemistry. Oct 26, 1994, Vol. 33 Issue 22, p5042, 8 p.
- Publication Year :
- 1994
-
Abstract
- Electronic absorption and magnetic circular dichroism (MCD) spectroscopic experiments help characterize iron methylchlorin- and mesochlorin-reconstituted myoglobin, horseradish peroxidase and cytochrome b5. A comparative study of these spectra with those of corresponding iron octaethylchlorin complexes helps derive spectral signatures for histidine-ligated iron chlorin-containing proteins. MCD spectroscopy is an efficient technique to determine iron chlorin coordination structure, spin state and oxidation state, and to differentiate two types of green heme systems, iron-chlorins and iron formyl-substituted porphyrins.
Details
- ISSN :
- 00201669
- Volume :
- 33
- Issue :
- 22
- Database :
- Gale General OneFile
- Journal :
- Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- edsgcl.16538226