| (4-fluorophenyl)-alpha-methyl-5-benzoxazole methylamine | Amine derivative of flunoxaprofen. Pharmacological action: fluorescent dye Synonym: s-flopa (26 Jun 1999) |
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| 4-methyl-3-hydroxyanthranilic acid adenylyltransferase | <enzyme> From streptomyces chrysomallus; catalyses the formation of 4-mha in the presence of ATP Registry number: EC 2.7.7.- Synonym: 4-mha activating enzyme (26 Jun 1999) |
| 4-methyl-5-nitrocatechol oxygenase | <enzyme> Catalyses conversion of 4-methyl-5-nitrocatechol to 2-hydroxy-5-methylquinone; dntb isolated from burkholderia; genbank u68411 Registry number: EC 1.13.12.- Synonym: mnc oxygenase, dntb gene product (26 Jun 1999) |
| 4-methylmuconolactone methyl-isomerase | <enzyme> From nocardioform actinomycetes; forms 3-methylmuconolactone Registry number: EC 5.3.3.- Synonym: 4-methyl-2-enelactone methylisomerase, mmlm-isomerase (26 Jun 1999) |
| 4-methyl sterol demethylase | <chemical> This term is used to describe 10 reactions in the collective processes of monooxygenation, decarboxylation and reduction, which, together account for the conversion of each of the two 4-methyl groups of lanosterol to carbon dioxide Chemical name: demethylase, methyl sterol Synonym: 4,4-dimethylzymosterol monooxygenase, sterol 4-demethylase (26 Jun 1999) |
| 4-toluene sulfonate methyl monooxygenase | <enzyme> From comamonas testosteroni t-2; catalyses the transformation of toluene sulfonate or p-toluate to the corresponding alcohol and the methyl side-chain to the corresponding acid in the presence of o2 and NADH; p- and m- toluates and 4-ethylbenzoate are substrates, whereas p-xylene, toluene and p-cresol are not substrates; enzyme also catalyses the demethylation of 4-methoxybenzoate to 4-hydroxybenzoate and formaldehyde; comprises reductase b and oxygenase m Registry number: EC 1.14.13.- Synonym: tsmoxygenase, tsmos, p-ts methyl-monooxygenase, tsam protein, tsab protein (26 Jun 1999) |