A spectroscopic and electrochemical study of the interaction between copper(II) glycylglycyl-l-histidine-n-methylamide and iron(III) tetra-p-sulfophenylporphine

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dc.contributor.author Cutler, AC en
dc.contributor.author Brittain, Tom en
dc.contributor.author Boyd, Peter en
dc.date.accessioned 2011-09-14T22:08:18Z en
dc.date.issued 1985 en
dc.identifier.citation Journal of Inorganic Biochemistry 24(3):199-209 1985 en
dc.identifier.issn 0162-0134 en
dc.identifier.uri http://hdl.handle.net/2292/7935 en
dc.description.abstract A binuclear complex has been produced by the reaction of an iron porphyrin (sodium tetra-p-sulfophenylporphine iron(III)-FeTPPS) with a copper metallo-tripeptide (copper(II) glycylglycyl-L-histidine-N-methylamide-CuGGH) in aqueous solution. The system has been characterized by electron spin resonance (ESR) spectroscopy, optical absorption spectroscopy, and electrochemical methods. Room-temperature ESR spectra of the copper complex and low-temperature ESR spectra of the iron porphine provide evidence for the formation of a binuclear complex. These findings are supported by absorption spectroscopy and electrochemical studies, and lead to a value of ca.2 × 10 −3 M−1 (at room temperature) for the equilibrium constant for complex formation. The relevance of this system to the enzymic active site of mammalian cytochrome c oxidase is discussed. en
dc.language EN en
dc.relation.ispartofseries Journal of Inorganic Biochemistry en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0162-0134/ en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title A spectroscopic and electrochemical study of the interaction between copper(II) glycylglycyl-l-histidine-n-methylamide and iron(III) tetra-p-sulfophenylporphine en
dc.type Journal Article en
dc.identifier.doi 10.1016/0162-0134(85)85003-0 en
pubs.issue 3 en
pubs.begin-page 199 en
pubs.volume 24 en
dc.rights.holder Copyright: 1985 Elsevier Science Publiig Co., Inc. en
dc.identifier.pmid 2995579 en
pubs.end-page 209 en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 126955 en
pubs.record-created-at-source-date 2011-09-23 en
pubs.dimensions-id 2995579 en


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