Table 5.
Specific activities for butyrate-forming enzymes in E. coli strains
| Strain | Sp act (U/mg protein)a |
|||||
|---|---|---|---|---|---|---|
| THIA1 | HBD | CRT2 | BCD | PBT | BUK | |
| Rosetta | 0.41 | 0.01 | 0.22 | ND | ND | 0.09 |
| BUTD | 13.80 | 0.38 | 64.3 | 0.043 | 1.95 | 13.22 |
THIA1, thiolase; HBD, 3-hydroxybutyryl-CoA dehydrogenase; CRT2, crotonase; BCD, butyryl-CoA dehydrogenase complex; PBT, phosphate butyryl-transferase; BUK, butyrate kinase; ND, not detected.