Table 1. The composition (in % according to GC) of products mixture after 5 days of enzymatic oxidation of racemic decane-1,4-diol (1a).
Enzyme | OXIDATION CONDITIONS | Substrate | Products | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Coenzyme | Temperature[°C] | pH | 1a | 2a and 3a | 4a | |||||||
NAD+/ NADP+ | FMN | 25 | 35 | 45 | 7.2 | 8.5 | 9.0 | [%] | [%] | [%] | ee [%] | |
HLADH | √ | √ | √ | √ | 4 | 4 | 92 | 22 (–)-(S) | ||||
HLADH* | √ | √ | √ | √ | nd | nd | 100 | 0 | ||||
√ | √ | √ | √ | nd | nd | 100 | 0 | |||||
√ | √ | √ | √ | 83 | nd | 17 | 20 (–)-(S) | |||||
√ | √ | √ | 32 | 1 | 67 | 22 (–)-(S) | ||||||
BSADH | √ | √ | √ | 89 | 2 | 9 | - | |||||
√ | √ | √ | √ | 98 | nd | 2 | - | |||||
LKADH | √ | √ | √ | √ | 100 | nd | nd | |||||
√ | √ | √ | √ | 95 | 1 | 4 | - | |||||
PADH I | √ | √ | √ | √ | 60 | nd | 40 | 26 (–)-(S) | ||||
√ | √ | √ | √ | 100 | nd | nd | ||||||
PADH II | √ | √ | √ | √ | 91 | 8 | 1 | - | ||||
√ | √ | √ | √ | 62 | 2 | 36 | 18 (–)-(S) | |||||
PADH III | √ | √ | √ | √ | 59 | 18 | 23 | 53 (+)-(R) | ||||
√ | √ | √ | √ | nd | 41 | 59 | 48 (+)-(R) | |||||
YADH | √ | √ | √ | √ | 90 | 4 | 6 | 10 (+)-(R) | ||||
√ | √ | √ | √ | 88 | nd | 12 | 8 (+)-(R) |
*alcohol dehydrogenase recombinant from E. coli (HLADH); ee-enantiomeric excess; nd-not detected