EC 2.3.1.18: galactoside O-acetyltransferase
TransferasesOpen in Browse
CatLog read 15 records for EC 2.3.1.18 from 2 papers, for 1 organism. Names in these papers: galactoside transacetylase (LacA), galactoside acetyltransferase (GAT).
Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.
CatLog also holds 2 records for EC 2.3.1.18 that are not yet re-read: from its earlier version, built from the enzyme databases and partly checked against the papers. All records for EC 2.3.1.18 in Browse.
Papers
| Paper | Organisms | Records |
|---|---|---|
| Tyrosine83 is essential for the activity of E. coli galactoside transacetylase | Escherichia coli | 12 |
| Engineering galactoside acetyltransferase for enhanced hesperetin-7-O-glucoside bioavailability | Escherichia coli | 3 |
Records
| Enzyme | Organism | Substrate | kcat (s⁻¹) | Km (mM) | kcat/Km (mM⁻¹ s⁻¹) | Conditions | Paper | Open record |
|---|---|---|---|---|---|---|---|---|
| galactoside acetyltransferase (GAT) | Escherichia coli | hesperetin-7-O-glucoside | 126.8 | 0.85 | 148.3 | pH 5, 40 °C | PMID 41491277 | Open record: galactoside acetyltransferase (GAT), hesperetin-7-O-glucoside |
| galactoside acetyltransferase (GAT)variant P148A | Escherichia coli | hesperetin-7-O-glucoside | 101.7 | 0.56 | 180.2 | pH 5, 40 °C | PMID 41491277 | Open record: galactoside acetyltransferase (GAT) variant P148A, hesperetin-7-O-glucoside |
| galactoside acetyltransferase (GAT)variant S142A | Escherichia coli | hesperetin-7-O-glucoside | 55.7 | 0.51 | 108.7 | pH 5, 40 °C | PMID 41491277 | Open record: galactoside acetyltransferase (GAT) variant S142A, hesperetin-7-O-glucoside |
| galactoside transacetylase (LacA) | Escherichia coli | 4-nitrophenyl beta-D-galactopyranosideMichaelis-Menten fit | 11.1 | 27.2 | 0.411 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), 4-nitrophenyl beta-D-galactopyranoside |
| galactoside transacetylase (LacA) | Escherichia coli | 4-nitrophenyl beta-D-galactopyranosidesingle initial-velocity estimate at 4 mM acceptor (Fig. 3) | — | — | 0.201 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), 4-nitrophenyl beta-D-galactopyranoside |
| galactoside transacetylase (LacA) | Escherichia coli | 4-nitrophenyl beta-D-glucopyranoside | — | — | 0.055 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), 4-nitrophenyl beta-D-glucopyranoside |
| galactoside transacetylase (LacA) | Escherichia coli | 4-nitrophenyl cellobioside | — | — | 0.015 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), 4-nitrophenyl cellobioside |
| galactoside transacetylase (LacA) | Escherichia coli | acetyl-CoA | 11.5 | 0.203 | 56.7 calc. | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), acetyl-CoA |
| galactoside transacetylase (LacA) | Escherichia coli | isopropyl beta-D-1-thiogalactopyranoside | 122 | 629 | 0.194 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA), isopropyl beta-D-1-thiogalactopyranoside |
| galactoside transacetylase (LacA)variant Y83F | Escherichia coli | 4-nitrophenyl beta-D-galactopyranoside | 4.9 | 29.5 | 0.166 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83F, 4-nitrophenyl beta-D-galactopyranoside |
| galactoside transacetylase (LacA)variant Y83F | Escherichia coli | isopropyl beta-D-1-thiogalactopyranoside | 168 | 2.72 × 10³ | 0.062 | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83F, isopropyl beta-D-1-thiogalactopyranoside |
| galactoside transacetylase (LacA)variant Y83L | Escherichia coli | 4-nitrophenyl beta-D-galactopyranoside | 0.006 | 24.1 | 2.5 × 10⁻⁴ | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83L, 4-nitrophenyl beta-D-galactopyranoside |
| galactoside transacetylase (LacA)variant Y83L | Escherichia coli | isopropyl beta-D-1-thiogalactopyranoside | 0.31 | 2.44 × 10³ | 1.3 × 10⁻⁴ | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83L, isopropyl beta-D-1-thiogalactopyranoside |
| galactoside transacetylase (LacA)variant Y83V | Escherichia coli | 4-nitrophenyl beta-D-galactopyranoside | 0.022 | 97 | 2.3 × 10⁻⁴ | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83V, 4-nitrophenyl beta-D-galactopyranoside |
| galactoside transacetylase (LacA)variant Y83V | Escherichia coli | isopropyl beta-D-1-thiogalactopyranoside | 0.175 | 1.15 × 10³ | 1.5 × 10⁻⁴ | 25 °C | PMID 17208523 | Open record: galactoside transacetylase (LacA) variant Y83V, isopropyl beta-D-1-thiogalactopyranoside |