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| An antibiotic mixture produced by Bacillus brevis which may be separated into three components, tyrocidines A, B, and C. It is the major constituent (40-60 per cent) of tyrothricin, gramicidin accounting for the remaining 10-20 per cent active material. It is a topical antimicrobial agent, that is very toxic parenterally.
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Pharmacological Action Anti-Bacterial Agents; Anti-Infective Agents, Local | Other names Tyrocidines; Rapicidin; Brevicidin
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| Substance | CAS Registry & name | Categories | Source | Drugs*
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| tyrocidine thioesterase
| EC 3.1.-
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*Esterases *Tyrocidine.
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Bioorg Med Chem Lett. 2002 Mar 25;12(6):989-92
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6-valine-tyrocidine A
79774-98-4
Tyrocidine A, 9-L-valine-, monohydrochloride
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Tyrocidine/*analogs & derivatives.
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Int J Pept Protein Res 1981;18(2):127
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7-ornithine-tyrocidine A
79774-99-5
Tyrocidine A, 10-L-ornithine-, dihydrochloride
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Tyrocidine/*analogs & derivatives.
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Int J Pept Protein Res 1981;18(2):127
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