2.5.1.9 - 2.5.1.9 cloning of sequence segments of residues 1-97 and 101-213, and expression in Escherichia coli 2.5.1.9 DNA and amino acid sequence determination and analysis, functional expression in riboflavin-deficient Escherichia coli mutant BSV23 2.5.1.9 DNA and amino acid sequence determination and analysis, subcloning and expression in Escherichia coli strains M15 and XL1-Blue, wild-type and mutant enzymes 2.5.1.9 expressed in Escherichia coli BL21(DE3) cells 2.5.1.9 expressed in Nicotiana tabacum 2.5.1.9 expression in Escherichia coli 2.5.1.9 expression in Escherichia coli BL21(DE3) cells 2.5.1.9 expression of beta60 capsid 2.5.1.9 expression of wild-type and mutant enzymes in strain BL21(DE3)