EC Number | Cloned (Comment) | Organism |
---|---|---|
2.3.1.18 | expressed in Escherichia coli | Escherichia coli |
EC Number | Protein Variants | Comment | Organism |
---|---|---|---|
2.3.1.18 | H115A | kcat highly decreased, histidyl residue has an important catalytic role | Escherichia coli |
2.3.1.18 | S162A | kcat increased, Ser162 not catalytically important | Escherichia coli |
2.3.1.18 | W139F | kcat 10fold decreased | Escherichia coli |
EC Number | Inhibitors | Comment | Organism | Structure |
---|---|---|---|---|
2.3.1.18 | iodoacetamide | complete inactivation | Escherichia coli |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.3.1.18 | 0.059 | - |
acetyl-CoA | phenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.065 | - |
acetyl-CoA | p-nitrophenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.082 | - |
acetyl-CoA | o-nitrophenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.098 | - |
propionyl-CoA | p-nitrophenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.104 | - |
acetyl-CoA | p-nitrophenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.221 | - |
butyryl-CoA | p-nitrophenyl-beta-D-galactopyranoside | Escherichia coli | |
2.3.1.18 | 0.266 | - |
acetyl-CoA | p-nitrophenyl-beta-D-lactopyranoside | Escherichia coli | |
2.3.1.18 | 25.2 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: butyrylCoA | Escherichia coli | |
2.3.1.18 | 40.2 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 45.6 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: propionyl-CoA | Escherichia coli | |
2.3.1.18 | 57.9 | - |
p-nitrophenyl-alpha-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 60.2 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 63.4 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 63.4 | - |
phenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 67.9 | - |
o-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.3.1.18 | Escherichia coli | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.3.1.18 | wild-type and mutant enzyme | Escherichia coli |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.3.1.18 | 4-nitrophenyl alpha-D-galactopyranoside + acetyl-CoA | - |
Escherichia coli | 4-nitrophenyl 6-O-acetyl-alpha-D-galactopyranoside + CoA | - |
? | |
2.3.1.18 | acetyl-CoA + beta-D-phenylgalactoside | - |
Escherichia coli | CoA + 6-O-acetyl-beta-D-phenylgalactoside | - |
? | |
2.3.1.18 | acetyl-CoA + o-nitrophenyl-beta-D-galactopyranoside | - |
Escherichia coli | CoA + o-nitrophenyl 6-O-acetyl-beta-D-galactoside | - |
? | |
2.3.1.18 | acetyl-CoA + p-nitrophenyl-beta-D-galactopyranoside | - |
Escherichia coli | CoA + p-nitrophenyl 6-O-acetyl-beta-D-galactopyranoside | - |
? | |
2.3.1.18 | acetyl-CoA + p-nitrophenyl-beta-D-glucopyranoside | - |
Escherichia coli | CoA + p-nitrophenyl 6-O-acetyl-beta-D-glucopyranoside | - |
? | |
2.3.1.18 | acetyl-CoA + p-nitrophenyl-beta-D-lactopyranoside | - |
Escherichia coli | CoA + p-nitrophenyl 6-O-acetyl-beta-D-lactopyranoside | - |
? | |
2.3.1.18 | butyryl-CoA + p-nitrophenyl-beta-D-galactopyranoside | - |
Escherichia coli | CoA + p-nitrophenyl 6-O-butyryl-beta-D-galactopyranoside | - |
? | |
2.3.1.18 | additional information | enzyme catalyses transfer of an acetyl group from acetyl-CoA to the 6-hydroxyl group of a beta-D-galactoside | Escherichia coli | ? | - |
? | |
2.3.1.18 | propionyl-CoA + p-nitrophenyl-beta-D-galactopyranoside | - |
Escherichia coli | CoA + p-nitrophenyl 6-O-propionyl-beta-D-galactopyranoside | - |
? |
EC Number | Turnover Number Minimum [1/s] | Turnover Number Maximum [1/s] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.3.1.18 | 0.054 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: butyryl-CoA | Escherichia coli | |
2.3.1.18 | 1.42 | - |
4-nitrophenyl alpha-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 1.84 | - |
p-nitrophenyl-beta-D-glucopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 1.84 | - |
p-nitrophenyl-beta-D-lactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 5.8 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: propionyl-CoA | Escherichia coli | |
2.3.1.18 | 8.9 | - |
o-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 13 | - |
phenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli | |
2.3.1.18 | 14.7 | - |
p-nitrophenyl-beta-D-galactopyranoside | acetyl donor: acetyl-CoA | Escherichia coli |