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Vibrational Stark Spectroscopy of NO Bound to Heme:Effects of Protein Electrostatic Fields on the NO Stretch Frequency
rare earth alloys X-ray diffraction crystal structure phase diagram
2016/5/23
The vibrational Stark effect measures the effect of an external electric field on the vibrational (IR) spectrum of a molecule. This technique gives quantitative information on the sensitivity of a vib...
Resonance Raman Studies of Heme Axial Ligation in H93G Myoglobin
chemical vapor deposition diamond electron microscopy epitaxy iridium surface structure,morphology,roughness,and topography
2016/5/23
The resonant Raman active mode identified in numerous studies as the heme iron−histidine stretch has been systematically investigated in the Raman spectrum of 15 exogenous ligands to the heme ir...
The Role of the Distal and Proximal Protein Environments in Controlling the Ferric Spin State and in Stabilizing Thiolate Ligation in Heme Systems:Thiolate Adducts of the Myoglobin H93G Cavity Mutant
salicylic alcohols hydrogen bonds quantum chemistry
2016/5/23
Recently, heme protein cavity mutants have been engineered in which the proximal coordinating amino acid has been replaced by a smaller, noncoordinating residue leaving a cavity that can be filled by ...
Stark Effect Spectroscopy of the Heme Charge Transfer Bands of Deoxymyoglobin
materials science electronic structure oxygen compounds myoglobin charge transport stark effect absorption spectra spectroscopy heme protoporphyrins
2016/5/23
We report the Stark spectra of the Soret, Q, and charge-transfer bands of deoxymyoglobin. The data show that band III has charge-transfer character but that the magnitude of the charge displacement is...
Heme Transfer Reactions: An Important Prerequisite for Synthetic Oxygen Carriers
Heme Transfer Reactions Important Prerequisite Synthetic Oxygen Carriers
2010/7/1
Electronic changes of iron- and metal free porphyrins are reviewed in light of their importance to modify the ferri/ferro reduction potential and energy dissipation between ligated carbon monoxide and...