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Genetics and Molecular Biology

Print version ISSN 1415-4757

Abstract

RAMANA GOPAVAJHULA, V. et al. Modeling and analysis of soybean (Glycine max. L) Cu/Zn, Mn and Fe superoxide dismutases. Genet. Mol. Biol. [online]. 2013, vol.36, n.2, pp.225-236.  Epub May 17, 2013. ISSN 1415-4757.  https://doi.org/10.1590/S1415-47572013005000023.

Superoxide dismutase (SOD, EC 1.15.1.1) is an important metal-containing antioxidant enzyme that provides the first line of defense against toxic superoxide radicals by catalyzing their dismutation to oxygen and hydrogen peroxide. SOD is classified into four metalloprotein isoforms, namely, Cu/Zn SOD, Mn SOD, Ni SOD and Fe SOD. The structural models of soybean SOD isoforms have not yet been solved. In this study, we describe structural models for soybean Cu/Zn SOD, Mn SOD and Fe SOD and provide insights into the molecular function of this metal-binding enzyme in improving tolerance to oxidative stress in plants.

Keywords : amino acid analysis; model evaluation; molecular modeling; phylogenetic analysis; superoxide dismutase (SOD).

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