Protein & Peptide Letters

Author(s): Mohammad Reza Dayer, Ali Akbar Moosavi-Movahedi and Mohammad Saaid Dayer

DOI: 10.2174/092986610790963645

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Band Assignment in Hemoglobin Porphyrin Ring Spectrum: Using Four-Orbital Model of Gouterman

Page: [473 - 479] Pages: 7

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Abstract

Band assignment for oxy, deoxy and methemoglobin using orbital promotion is crucial to understanding inter-relation of electronic transitions. Spectral changes may be correlated with conformational alterations. Conformational changes of hemoglobin were interpreted using four-orbital model of Gouterman. Our results indicated that Goutherman model can predict the predominant conformations of hemoglobin.

Keywords: Porphyrin, Hemoglobin spectrum, Gouterman model, Band assignment