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|Title:||Expression and characterization of Cu/Zn superoxide dismutase from Wuchereria bancrofti|
|Keywords:||copper zinc superoxide dismutase|
amino acid sequence
enzyme active site
polymerase chain reaction
Molecular Sequence Data
Polymerase Chain Reaction
Sequence Analysis, DNA
Sequence Homology, Amino Acid
|Abstract:||The Cu/Zn superoxide dismutase gene from Wuchereria bancrofti (Cu/Zn WbSOD) was isolated by PCR using degeneracy primers. The complete Cu/Zn WbSOD consisted of 1,032 nucleotides containing 4 exons (477 nucleotides) and 3 introns. The molecular phylogenetic analysis of the Cu/Zn WbSOD gene in comparison with those from other organisms revealed that the gene was classified in the same clade to those of filarial Brugia malayi and Brugia pahangi (bootstrap value at 90). The nucleotide and deduced amino acid sequences of Cu/Zn WbSOD exhibited the similarity to those of intracellular Cu/Zn SOD of B. malayi and B. pahangi. The amino acid comparison of Cu/Zn WbSOD to others revealed that the binding sites and active sites were conserved. The expression of this gene yielded 16.366 kDa in size. After Ni-IDA column purification, the enzyme showed specific activity of 8.5 U/mg and 42.1% yield. The enzyme activity was inhibited when 6 mM KCN was added. © Springer-Verlag 2011.|
|Appears in Collections:||Scopus 1983-2021|
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