| rifamycin | <drug> Antibiotic produced by Streptomyces mediterranei that acts by inhibiting prokaryotic, but not eukaryotic DNA dependent RNA synthesis. Blocks initiation, but not elongation of transcripts. (18 Nov 1997) |
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| rifamycin B oxidase | <enzyme> Converts rifamycin b to rifamycin o which spontaneously hydrolyzes to rifamycin s in neutral aqueous media Registry number: EC 1.10.3.- (26 Jun 1999) |
| rifamycins | <chemical> A group of antibiotics characterised by a chromophoric naphthohydroquinone group spanned by an aliphatic bridge not previously found in other known antibiotics. They have been isolated from fermentation broths of streptomyces mediterranei. Pharmacological action: antibiotics. (12 Dec 1998) |
Synonyms :
| rifamycin |
(rif
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