EC 2.1.1.303: 2,7-dihydroxy-5-methyl-1-naphthoate 7-O-methyltransferase
TransferasesOpen in Browse
CatLog read 9 records for EC 2.1.1.303 from 2 papers, for 1 organism. Names in these papers: NcsB1 (AdoMet-dependent O-methyltransferase), NcsB1 (SAM-dependent O-methyltransferase).
Read from the paper by an AI model and checked against the paper by a second, separate AI run; code converted the units.
Papers
| Paper | Organisms | Records |
|---|---|---|
| Regiospecific O-methylation of naphthoic acids catalyzed by NcsB1, an O-methyltransferase involved in the biosynthesis of the enediyne antitumor antibiotic neocarzinostatin | Streptomyces carzinostaticus | 5 |
| Molecular basis of substrate promiscuity for the SAM-dependent O-methyltransferase NcsB1, involved in the biosynthesis of the enediyne antitumor antibiotic neocarzinostatin | Streptomyces carzinostaticus | 4 |
Records
| Enzyme | Organism | Substrate | kcat (s⁻¹) | Km (mM) | kcat/Km (mM⁻¹ s⁻¹) | Conditions | Paper | Open record |
|---|---|---|---|---|---|---|---|---|
| NcsB1 (AdoMet-dependent O-methyltransferase) | Streptomyces carzinostaticus | 1,4-dihydroxy-2-naphthoic acid | 1.33 × 10⁻⁴ | 0.024 | 0.0056 calc. | pH 6, 25 °C | PMID 18387946 | Open record: NcsB1 (AdoMet-dependent O-methyltransferase), 1,4-dihydroxy-2-naphthoic acid |
| NcsB1 (AdoMet-dependent O-methyltransferase) | Streptomyces carzinostaticus | 2,7-dihydroxy-5-methyl-1-naphthoic acid | 0.0115 | 0.206 | 0.0560 calc. | pH 6, 25 °C | PMID 18387946 | Open record: NcsB1 (AdoMet-dependent O-methyltransferase), 2,7-dihydroxy-5-methyl-1-naphthoic acid |
| NcsB1 (AdoMet-dependent O-methyltransferase) | Streptomyces carzinostaticus | 3,5-dihydroxy-2-naphthoic acid | 0.0045 | 0.352 | 0.013 calc. | pH 6, 25 °C | PMID 18387946 | Open record: NcsB1 (AdoMet-dependent O-methyltransferase), 3,5-dihydroxy-2-naphthoic acid |
| NcsB1 (AdoMet-dependent O-methyltransferase) | Streptomyces carzinostaticus | 3,7-dihydroxy-2-naphthoic acid | 5 × 10⁻⁴ | 0.066 | 0.0076 calc. | pH 6, 25 °C | PMID 18387946 | Open record: NcsB1 (AdoMet-dependent O-methyltransferase), 3,7-dihydroxy-2-naphthoic acid |
| NcsB1 (AdoMet-dependent O-methyltransferase) | Streptomyces carzinostaticus | S-adenosyl-L-methionine | 0.0125 | 0.062 | 0.20 calc. | pH 6, 25 °C | PMID 18387946 | Open record: NcsB1 (AdoMet-dependent O-methyltransferase), S-adenosyl-L-methionine |
| NcsB1 (SAM-dependent O-methyltransferase)variant R11A | Streptomyces carzinostaticus | 2,7-dihydroxy-5-methyl-1-naphthoic acid | 0.0207 | 0.419 | 0.0493 calc. | pH 6.5, 25 °C | PMID 19702337 | Open record: NcsB1 (SAM-dependent O-methyltransferase) variant R11A, 2,7-dihydroxy-5-methyl-1-naphthoic acid |
| NcsB1 (SAM-dependent O-methyltransferase)variant R11K | Streptomyces carzinostaticus | 2,7-dihydroxy-5-methyl-1-naphthoic acid | 0.0197 | 0.319 | 0.0617 calc. | pH 6.5, 25 °C | PMID 19702337 | Open record: NcsB1 (SAM-dependent O-methyltransferase) variant R11K, 2,7-dihydroxy-5-methyl-1-naphthoic acid |
| NcsB1 (SAM-dependent O-methyltransferase)variant R11W | Streptomyces carzinostaticus | 2,7-dihydroxy-5-methyl-1-naphthoic acid | 0.01 | 0.4 | 0.025 calc. | pH 6.5, 25 °C | PMID 19702337 | Open record: NcsB1 (SAM-dependent O-methyltransferase) variant R11W, 2,7-dihydroxy-5-methyl-1-naphthoic acid |
| NcsB1 (SAM-dependent O-methyltransferase)variant Y293I | Streptomyces carzinostaticus | 2,7-dihydroxy-5-methyl-1-naphthoic acid | 0.0127 | 0.649 | 0.0200 calc. | pH 6.5, 25 °C | PMID 19702337 | Open record: NcsB1 (SAM-dependent O-methyltransferase) variant Y293I, 2,7-dihydroxy-5-methyl-1-naphthoic acid |