Cloned (Comment) | Organism |
---|---|
expressed in Escherichia coli BL21(DE3) Rosetta-2 cells | Cereibacter sphaeroides |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
3.1 | - |
ATP | with acetate as cosubstrate, at pH 5.7 and 37°C | Cereibacter sphaeroides | |
14.2 | - |
valerate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
24.5 | - |
Butyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
25.8 | - |
propionate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
53.9 | - |
acetate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
109 | - |
Isobutyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mn2+ | 10 mM used in assay conditions. The enzyme exhibits about 25% higher specific activity with manganese as a cofactor compared to magnesium | Cereibacter sphaeroides |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cereibacter sphaeroides | - |
- |
- |
Purification (Comment) | Organism |
---|---|
HisTrap column chromatography | Cereibacter sphaeroides |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + acetate | 100% activity | Cereibacter sphaeroides | ADP + acetyl phosphate | - |
r | |
ATP + butyrate | 59.5% activity compared to acetate | Cereibacter sphaeroides | ADP + butyryl phosphate | - |
r | |
ATP + heptanoate | 22% activity compared to acetate | Cereibacter sphaeroides | ADP + heptyl phosphate | - |
r | |
ATP + hexanoate | 38% activity compared to acetate | Cereibacter sphaeroides | ADP + hexyl phosphate | - |
r | |
ATP + isobutyrate | 26.7% activity compared to acetate | Cereibacter sphaeroides | ADP + isobutyryl phosphate | - |
r | |
ATP + octanoate | 8.4% activity compared to acetate | Cereibacter sphaeroides | ADP + octyl phosphate | - |
r | |
ATP + propionate | 93.3% activity compared to acetate | Cereibacter sphaeroides | ADP + propionyl phosphate | - |
r | |
ATP + valerate | 43.3% activity compared to acetate | Cereibacter sphaeroides | ADP + valeryl phosphate | - |
r |
Subunits | Comment | Organism |
---|---|---|
? | x * 47000, SDS-PAGE | Cereibacter sphaeroides |
Synonyms | Comment | Organism |
---|---|---|
ACK | - |
Cereibacter sphaeroides |
ackA | - |
Cereibacter sphaeroides |
short chain fatty acid kinase | - |
Cereibacter sphaeroides |
Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
---|---|---|---|
51 | - |
the activity declines sharply at temperatures above 51°C, with 44% and 12% of activity remaining at 60°C and 67°C, respectively | Cereibacter sphaeroides |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
65.4 | - |
Isobutyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
80.2 | - |
valerate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
118 | - |
Butyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
172 | - |
propionate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
177 | - |
acetate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
250 | - |
ATP | with acetate as cosubstrate, at pH 5.7 and 37°C | Cereibacter sphaeroides |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
5.7 | - |
- |
Cereibacter sphaeroides |
kcat/KM Value [1/mMs-1] | kcat/KM Value Maximum [1/mMs-1] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.6 | - |
Isobutyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
3.3 | - |
acetate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
4.8 | - |
Butyrate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
5.6 | - |
valerate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
6.7 | - |
propionate | at pH 5.7 and 37°C | Cereibacter sphaeroides | |
80.5 | - |
ATP | with acetate as cosubstrate, at pH 5.7 and 37°C | Cereibacter sphaeroides |