3.2.1.185	gene XCV2724, belongs to operon xehypBA2-AA containing genes XCV2724, XCV2728, and XCV2729, DNA and amino acid sequence determination and analysis, and genetic structure, recombinant expression of wild-type and mutant enzymes without the signal peptide in Escherichia coli strain BL21(DE3), recombinant expression of the operon in transgenic Solanum lycopersicum strain Micro-Tom