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Copper(I) coordination by two plant metallothioneins


Wan, X; Schicht, O; Freisinger, E (2013). Copper(I) coordination by two plant metallothioneins. Zeitschrift für Anorganische und Allgemeine Chemie, 639(8-9):1365-1369.

Abstract

The plant metallothioneins (MTs) show high sequence diversity. Proposed to function mainly in metal ion homeostasis and detoxification these small cysteine-rich proteins exhibit pronounced affinities to metal ions with the electron configuration d10. Having previously studied the coordination abilities of two MTs from Cicerarietinum (chickpea) for divalent metal ions we now aim to expand the knowledge to the binding characteristics for CuI. Performing titration studies followed by UV and circular dichroism spectroscopy distinct differences between the two proteins are revealed.

Abstract

The plant metallothioneins (MTs) show high sequence diversity. Proposed to function mainly in metal ion homeostasis and detoxification these small cysteine-rich proteins exhibit pronounced affinities to metal ions with the electron configuration d10. Having previously studied the coordination abilities of two MTs from Cicerarietinum (chickpea) for divalent metal ions we now aim to expand the knowledge to the binding characteristics for CuI. Performing titration studies followed by UV and circular dichroism spectroscopy distinct differences between the two proteins are revealed.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2013
Deposited On:03 Feb 2014 15:53
Last Modified:05 Apr 2016 17:27
Publisher:Wiley-Blackwell
ISSN:0044-2313
Publisher DOI:https://doi.org/10.1002/zaac.201300096

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