KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.015 | - |
NADPH | 30°C with 2-acetolactate or 2-aceto-2-hydroxybutyrate as substrate | Salmonella enterica subsp. enterica serovar Typhimurium | |
0.29 | - |
2-acetolactate | 30°C, with 2-acetolactate or 2-aceto-2-hydroxybutyrate as substrate | Salmonella enterica subsp. enterica serovar Typhimurium | |
0.78 | - |
2-aceto-2-hydroxybutyrate | 30°C | Salmonella enterica subsp. enterica serovar Typhimurium |
Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | required | Salmonella enterica subsp. enterica serovar Typhimurium | |
Mg2+ | Km: 0.77 mM | Salmonella enterica subsp. enterica serovar Typhimurium |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
57000 | - |
4 * 57000, equilibrium sedimentation after treatment with 0.1 M 2-mercaptoethanol and 6 M guanidine hydrochloride | Salmonella enterica subsp. enterica serovar Typhimurium |
220000 | - |
sedimentation equilibrium centrifugation | Salmonella enterica subsp. enterica serovar Typhimurium |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-acetolactate + NADPH | Salmonella enterica subsp. enterica serovar Typhimurium | enzyme of branched chain amino acid synthesis | 2,3-dihydroxy-3-methylbutanoate + NADP+ | - |
r |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Salmonella enterica subsp. enterica serovar Typhimurium | - |
strain ATCC 15277 | - |
Purification (Comment) | Organism |
---|---|
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
4.94 | - |
- |
Salmonella enterica subsp. enterica serovar Typhimurium |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2-acetolactate + NADPH | enzyme of branched chain amino acid synthesis | Salmonella enterica subsp. enterica serovar Typhimurium | 2,3-dihydroxy-3-methylbutanoate + NADP+ | - |
r | |
NADPH + 2-aceto-2-hydroxybutyrate | - |
Salmonella enterica subsp. enterica serovar Typhimurium | NADP+ + ? | - |
? | |
NADPH + 2-acetolactate | - |
Salmonella enterica subsp. enterica serovar Typhimurium | NADP+ + 3-hydroxy-3-methyl-2-oxobutyrate | - |
? |
Subunits | Comment | Organism |
---|---|---|
tetramer | 4 * 57000, equilibrium sedimentation after treatment with 0.1 M 2-mercaptoethanol and 6 M guanidine hydrochloride | Salmonella enterica subsp. enterica serovar Typhimurium |
Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
18.3 | - |
2-acetolactate | 30°C | Salmonella enterica subsp. enterica serovar Typhimurium | |
78.3 | - |
2-aceto-2-hydroxybutyrate | 30°C | Salmonella enterica subsp. enterica serovar Typhimurium |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NADPH | - |
Salmonella enterica subsp. enterica serovar Typhimurium |