1.14.99.52 gene ovoA, multi-exonic gene with 18 exons, DNA and amino acid sequence analysis, sequence comparisons and phylogenetic analysis 1.14.99.52 gene ovoA, multi-exonic gene with 19 exons, DNA and amino acid sequence determination and analysis, sequence comparisons and phylogenetic analysis, quantitative real time PCR enzyme expression analysis 1.14.99.52 gene ovoA, recombinant expression of His-tagged enzyme in Escherichia coli 1.14.99.52 gene ovoA, the mutant enzyme loses the cysteine dioxygenase activity but also stops catalyzing the formation of oxidative coupling product 1.14.99.52 recombinant overexpression of Strep-tagged enzyme in Escherichia coli