The effect of ligand field strength on nonresonance Raman characteristics of hemoproteins.

Abstract

A series of hemoproteins were characterized using Raman spectroscopic technique under non-resonant (near-infrared excited) conditions. All the proteins used in this study contain an iron-protoporphyrin IX with a coordinated histidine as a proximal ligand. Hemoproteins exhibited a near-infrared Raman shift at 1372 cm-1, only when heme was in the ferric state… (More)

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