1.1.1.413 3-heptanoyl-4-(hydroxymethyl)oxolan-2-one + NADPH + H+ 88.9% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440789 1.1.1.413 3-heptanoyl-4-(hydroxymethyl)oxolan-2-one + NADPH + H+ 88.9% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae MAFF 10-06014 ? - ? 440789 1.1.1.413 3-hexanoyl-4-(hydroxymethyl)oxolan-2-one + NADPH + H+ 102% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440790 1.1.1.413 3-hexanoyl-4-(hydroxymethyl)oxolan-2-one + NADPH + H+ 102% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae MAFF 10-06014 ? - ? 440790 1.1.1.413 4-(hydroxymethyl)-3-(6-methylheptanoyl)oxolan-2-one + NADPH + H+ 83.3% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440824 1.1.1.413 4-(hydroxymethyl)-3-(6-methylheptanoyl)oxolan-2-one + NADPH + H+ 83.3% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae MAFF 10-06014 ? - ? 440824 1.1.1.413 4-(hydroxymethyl)-3-nonanoyloxolan-2-one + NADPH + H+ 75.3% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440825 1.1.1.413 4-(hydroxymethyl)-3-octanoyloxolan-2-one + NADPH + H+ 82.8% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440826 1.1.1.413 4-(hydroxymethyl)-3-pentanoyloxolan-2-one + NADPH + H+ 65.7% activity compared to 6-dehydro-Virginiae butanolide-A Streptomyces virginiae ? - ? 440827 1.1.1.413 6-dehydro-Virginiae butanolide-A + NADPH + H+ - Streptomyces virginiae (2R,3R,6S)-Virginiae butanolide-A + NADP+ - ? 440122 1.1.1.413 6-dehydro-Virginiae butanolide-A + NADPH + H+ 100% activity Streptomyces virginiae (2R,3R,6S)-Virginiae butanolide-A + NADP+ - ? 440122 1.1.1.413 6-dehydro-Virginiae butanolide-A + NADPH + H+ - Streptomyces virginiae MAFF 10-06014 (2R,3R,6S)-Virginiae butanolide-A + NADP+ - ? 440122 1.1.1.413 6-dehydro-Virginiae butanolide-A + NADPH + H+ 100% activity Streptomyces virginiae MAFF 10-06014 (2R,3R,6S)-Virginiae butanolide-A + NADP+ - ? 440122