ArticleJournal of the American Chemical Society2014
The diagnostic vibrational signature of pentacoordination in heme carbonyls.
Article in Journal of the American Chemical Society, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Vibrational fingerprint of localized excitons in a two-dimensional metal-organic crystal.Nature communications · 2018Article
- What Can Be Learned from Nuclear Resonance Vibrational Spectroscopy: Vibrational Dynamics and Hemes.Chemical reviews · 2017Review
- Characterization of the second conserved domain in the heme uptake protein HtaA from Corynebacterium diphtheriae.Journal of inorganic biochemistry · 2017Article
- Corynebacterium diphtheriae HmuT: dissecting the roles of conserved residues in heme pocket stabilization.Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry · 2016Article
- 3D Motions of Iron in Six-Coordinate {FeNO}(7) Hemes by Nuclear Resonance Vibration Spectroscopy.Chemistry (Weinheim an der Bergstrasse, Germany) · 2016Article
- Article
- Recent advances in biosynthetic modeling of nitric oxide reductases and insights gained from nuclear resonance vibrational and other spectroscopic studies.Inorganic chemistry · 2015Article
- Interactions of Cu(B) with Carbon Monoxide in Cytochrome c Oxidase: Origin of the Anomalous Correlation between the Fe-CO and C-O Stretching Frequencies.The journal of physical chemistry. B · 2015Article
- Spectroscopic and mutagenesis studies of human PGRMC1.Biochemistry · 2015Article
- Comprehensive Fe-ligand vibration identification in {FeNO}6 hemes.Journal of the American Chemical Society · 2014Article
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Authors and funding
9 authors.
Funding
Abstract
Heme-carbonyl complexes are widely exploited for the insight they provide into the structural basis of function in heme-based proteins, by revealing the nature of their bonded and nonbonded interactions with the protein. This report presents two novel results which clearly establish a FeCO vibrational signature for crystallographically verified pentacoordination. First, anisotropy in the NRVS density of states for ν(Fe-C) and δ(FeCO) in oriented single crystals of [Fe(OEP)(CO)] clearly reveals that the Fe-C stretch occurs at higher frequency than the FeCO bend and considerably higher than any previously reported heme carbonyl. Second, DFT calculations on a series of heme carbonyls reveal that the frequency crossover occurs near the weak trans O atom donor, furan. As ν(Fe-C) occurs at lower frequencies than δ(FeCO) in all heme protein carbonyls reported to date, the results reported herein suggest that they are all hexacoordinate.
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