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Comparative Study
. 1986 May;99(5):1289-98.
doi: 10.1093/oxfordjournals.jbchem.a135596.

Amino acid sequence of copper,zinc-superoxide dismutase from spinach leaves

Y Kitagawa, S Tsunasawa, N Tanaka, Y Katsube, F Sakiyama, K Asada
Free article
Comparative Study

Amino acid sequence of copper,zinc-superoxide dismutase from spinach leaves

Y Kitagawa et al. J Biochem. 1986 May.
Free article

Abstract

The complete amino acid sequence of Cu,Zn-superoxide dismutase (SOD) from spinach leaves has been determined on the basis of peptides obtained by cyanogen bromide (BrCN) cleavage and by enzymic hydrolyses with Achromobacter lyticus lysylendopeptidase, Staphylococcus aureus V8 protease, trypsin, and thermolysin. The spinach SOD consists of a total of 154 amino acid residues with alanine as the amino(N)-terminus and valine as the carboxy(C-)terminus. The present sequence, which has been established for the enzyme from a plant, is also highly homologous to those of the enzymes from other species. Especially, the residues essential for metal binding and enzyme activity have been extensively conserved among all of the Cu,Zn-SODs hitherto analyzed.

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