Table 3 Epothilone D conversion with selected P450s of S. cellulosum So ce56 (/: no conversion; *: combined yields of 26-OH epothilone D and epothilone B).

From: Highly Efficient CYP167A1 (EpoK) dependent Epothilone B Formation and Production of 7-Ketone Epothilone D as a New Epothilone Derivative

P450

Product

Retention

Conversion of epothilone D [%] with

time [min]

   

Adx4-108/AdR

Fdx2/FdR_B

Fdx8/FdR_B

EpoK

Epothilone B

6.3

6.8

24.7

74.4

CYP265A1

14 OH-epothilone D

5.5

3.2

5.5

6.0

CYP266A1

14 OH-epothilone D

5.5

/

6.9

2.6

CYP267B1

21-OH epothilone D

5.1

3.5

3.2

5.5

14-OH epothilone D

5.5

3.5

3.4

4.8

26-OH epothilone D/epothilone B

6.3

11.6*

4.0*

11.7*

Not further characterized product

9.5

3.9

2.0

4.8

7-ketone epothilone D

10.9

6.6

9.3

8.7