Notes: Structural Features and Biological Functions in Blue Copper Proteins

A new idea that elucidates the electron carrier ability of plastocyanin (and of azurin) is proposed. It emphasizes the fact that two lobes of the d-orbital, where one unpaired electron of copper (II) ion lies, are not screened by the ligand atoms, which would facilitate the electron transfer between the d-orbital and the redox partners (cytochrom f and P-700 in the case of plastocyanin). Several evidences which support the above proposal are provided.

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A Journal of Biosciences: Zeitschrift für Naturforschung C (ZNC) is an international scientific journal for the emerging field of natural and natural-like products. ZNC publishes original research on the isolation, bio-chemical synthesis and bioactivities of natural products, their biochemistry, pharmacology, biotechnology, and biological activity and innovative developed computational methods for predicting their structure and/or function.