1.1.1.423 1-phenyl-1,2-propanedione + NAD+ specifc activity: 64.02 U/mg. Product: 99% (R) enantiomeric excess Arthrobacter sp. TS-15 (R)-phenylacetylcarbinol + NADH + H+ - ? 454805 1.1.1.423 1-phenyl-1,2-propanedione + NADH + H+ substrate with highest activity. Full conversion and enantiomeric excess of more than 99% Arthrobacter sp. TS-15 (R)-phenylacetylcarbinol + NAD+ - ? 449150 1.1.1.423 1-phenyl-1,3-butanedione + NAD+ specifc activity: 13.64 U/mg. Product: 98% (R) enantiomeric excess Arthrobacter sp. TS-15 (4R)-4-hydroxy-4-phenylbutan-2-one + NADH + H+ - ? 454807 1.1.1.423 1-phenyl-1,3-butanedione + NADH + H+ 21.3% of the activity as compared to 1-phenyl-1,2-propanedione. The (R)-enantiomer is formed with 98% enantiomeric excess Arthrobacter sp. TS-15 (4R)-4-hydroxy-4-phenylbutan-2-one + NAD+ - ? 449152 1.1.1.423 1-phenyl-1-propanone + NAD+ specifc activity: 1.55 U/mg. Product: 99% (R) enantiomeric excess Arthrobacter sp. TS-15 (1R)-1-phenylpropan-1-ol + NADH + H+ - ? 454808 1.1.1.423 1-phenyl-1-propanone + NADH + H+ 2.4% of the activity as compared to 1-phenyl-1,2-propanedione. The (R)-enantiomer is formed with 99% enantiomeric excess Arthrobacter sp. TS-15 (1R)-1-phenylpropan-1-ol + NAD+ - ? 449153 1.1.1.423 2,2'-dichlorobenzil + NAD+ specifc activity: 27.91 U/mg. Product: 94% (R) enantiomeric excess Arthrobacter sp. TS-15 (2R)-1,2-bis(2-chlorophenyl)-2-hydroxyethan-1-one + NADH + H+ - ? 454873 1.1.1.423 2,2'-dichlorobenzil + NADH + H+ 43.6% of the activity as compared to 1-phenyl-1,2-propanedione. The (R)-enantiomer is formed with 4% enantiomeric excess Arthrobacter sp. TS-15 (2R)-1,2-bis(2-chlorophenyl)-2-hydroxyethan-1-one + NAD+ - ? 449191 1.1.1.423 2,2'-furil + NAD+ specifc activity: 19.95 U/mg. Product: 99% (R) enantiomeric excess Arthrobacter sp. TS-15 (2R)-1,2-di(furan-2-yl)-2-hydroxyethan + NADH + H+ - ? 454875 1.1.1.423 2,2'-furil + NADH + H+ 20% of the activity as compared to 1-phenyl-1,2-propanedione. The (R)-enantiomer is formed with 99% enantiomeric excess Arthrobacter sp. TS-15 (2R)-1,2-di(furan-2-yl)-2-hydroxyethan-1-one + NAD+ - ? 449193