Dispersive transport model for CO rebinding to heme proteins: non-Arrhenius non-exponential relaxation

Yu A. Berlin; N. I. Chekunaev; V. I. Goldanskii

doi:10.1016/0009-2614(92)86026-E

Dispersive transport model for CO rebinding to heme proteins: non-Arrhenius non-exponential relaxation

Yu A. Berlin^*, N. I. Chekunaev, V. I. Goldanskii

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

A microscopic model for relaxation in the course of CO rebinding to heme proteins has been developed. The model demonstrates that above 170 K the barrier height for the ligand-heme geminate recombination increases with time non-exponentially and that the relaxation rate coefficient does not obey the Arrhenius law. These and some other theoretical findings are shown to be in agreement with recent results of flash photolysis experiments on carbonmonoxymyoglobin.

Original language	English (US)
Pages (from-to)	81-85
Number of pages	5
Journal	Chemical Physics Letters
Volume	197
Issue number	1-2
DOIs	https://doi.org/10.1016/0009-2614(92)86026-E
State	Published - Sep 4 1992

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/0009-2614(92)86026-E

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abstract = "A microscopic model for relaxation in the course of CO rebinding to heme proteins has been developed. The model demonstrates that above 170 K the barrier height for the ligand-heme geminate recombination increases with time non-exponentially and that the relaxation rate coefficient does not obey the Arrhenius law. These and some other theoretical findings are shown to be in agreement with recent results of flash photolysis experiments on carbonmonoxymyoglobin.",

author = "Berlin, {Yu A.} and Chekunaev, {N. I.} and Goldanskii, {V. I.}",

year = "1992",

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AU - Chekunaev, N. I.

AU - Goldanskii, V. I.

PY - 1992/9/4

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N2 - A microscopic model for relaxation in the course of CO rebinding to heme proteins has been developed. The model demonstrates that above 170 K the barrier height for the ligand-heme geminate recombination increases with time non-exponentially and that the relaxation rate coefficient does not obey the Arrhenius law. These and some other theoretical findings are shown to be in agreement with recent results of flash photolysis experiments on carbonmonoxymyoglobin.

AB - A microscopic model for relaxation in the course of CO rebinding to heme proteins has been developed. The model demonstrates that above 170 K the barrier height for the ligand-heme geminate recombination increases with time non-exponentially and that the relaxation rate coefficient does not obey the Arrhenius law. These and some other theoretical findings are shown to be in agreement with recent results of flash photolysis experiments on carbonmonoxymyoglobin.

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Dispersive transport model for CO rebinding to heme proteins: non-Arrhenius non-exponential relaxation

Abstract

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