Heme CD as a probe for monitoring local structural changes in hemeproteins: Alkaline transition in hemeproteins
Tapan K Das Shyamalava Mazumdar Samaresh Mitra
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Structural change due to acid-alkaline transition in hemeproteins were monitored by circular dichroism measurements in the Soret region. It was observed that in cytochrome c and horseradish peroxidase, alkaline transition results in a large change in the heme CD due to significant conformational change in the heme cavity region. In metmyoglobin a simple protolytic mechanism associated with alkaline transition involves very small conformational changes.
Tapan K Das1 Shyamalava Mazumdar1 Samaresh Mitra1
Volume 135, 2023
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