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De Novo Designed Hemeproteins As A Redox Catalyst

Name: De Novo Designed Hemeproteins As A Redox Catalyst
Creator: T. Sasaki
Keywords: 0301 basic medicine, 03 medical and health sciences, 01 natural sciences, 3. Good health, 0104 chemical sciences

descriptionPublicationkeyboard_double_arrow_right Article 24 Aug 2005Publisher:IEEEJournal:[1990] Proceedings of the Twelfth Annual International Conference of the IEEE Engineering in Medicine and Biology Society

Authors: T. Sasaki;

doi: 10.1109/iembs.1990.691990

De Novo Designed Hemeproteins As A Redox Catalyst

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Abstract

Synthetic peptides are an attractive candidate for the assembly of biomimetic redox catalysts. We have synthesized series of hemeprotein models (helichrome) which have structured polypeptides as a building unit. Four amphiphilic ahelices were attached to the porphyrin ring covalently so that they interacted with each other to form an a-helical bundle type conformation. Various mutants were also synthesized. The Zn(I1) Complex of the helichrome binds hydrophobic imidazoles selectively, indicating the existence of hydrophobic binding pocket(s) inside the molecule.

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