1.1.1.326 gene ZSD1, DNA and amino acid sequence determination and analysis, phylogenetic analysis, expression of wild-type and mutant enzymes in Escherichia coli strain BL21(DE3) 1.1.1.326 gene zsd1, recombinant expression in Saccharomyces cerevisiae strain W303-1a, functional co-expression with alpha-humulene synthase (ZSS1), alpha-humulene 8-hydroxylase (CYP71BA1), and AtCPR1 from Arabidopsis thaliana, subcloning in Escherichia coli