FAQ

rifamycin-B oxidase activity

Known as: rifamycin B oxidase activity, rifamycin-B-oxidase activity, rifamycin-B:oxygen oxidoreductase activity 
Catalysis of the reaction: 2 H(+) + O(2) + rifamycin B = H(2)O(2) + rifamycin O. [EC:1.10.3.6, RHEA:11295]
National Institutes of Health

Topic mentions per year

Topic mentions per year

1971-2011
01219712011

Papers overview

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2011
2011
Whole genome sequence of the rifamycin B-producing strain Amycolatopsis mediterranei S699.
Amycolatopsis mediterranei S699 is an actinomycete that produces an important antibiotic, rifamycin B. Semisynthetic derivatives… (More)
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2005
2005
Identification of tailoring genes involved in the modification of the polyketide backbone of rifamycin B by Amycolatopsis mediterranei S699.
Rifamycin B biosynthesis by Amycolatopsis mediterranei S699 involves a number of unusual modification reactions in the formation… (More)
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2004
2004
Synthesis and biological activity of rifamycin SV 1,2-alkadiene phosphinates
The antimicrobial activity of the compounds was studied by the method of double serial dilutions in a liquid culture medium on… (More)
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2002
2002
New insights into rifamycin B biosynthesis: isolation of proansamycin B and 34a-deoxy-rifamycin W as early macrocyclic intermediates indicating two separated biosynthetic pathways.
Proansamycin B, the formerly postulated intermediate of rifamycin B biosynthesis, was isolated from cultures of the Amycolatopsis… (More)
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2001
2001
Active transport of an antibiotic rifamycin derivative by the outer-membrane protein FhuA.
BACKGROUND FhuA, an integral membrane protein of Escherichia coli, actively transports ferrichrome and the structurally related… (More)
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2001
2001
[Tympanostomy tube otorrhea: microbiological epidemiology, pathogen susceptibility to local antibiotics and bactericidal power of the rifamycin-olfloxacin combination].
OBJECTIVE We studied the microbiological epidemiology of tympanostomy tube otorrhea, rifamycin and ofloxacin sensitivity of… (More)
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1995
1995
Antimycobacterial activity of a new rifamycin derivative, 3-(4-cinnamylpiperazinyl iminomethyl) rifamycin SV (T9).
The antimycobacterial activities of a new rifampin (RIF) derivative, 3-(4-cinnamylpiperazinyl iminomethyl) rifamycin SV (To… (More)
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1995
1995
Structure-activity relationships in open ansa-chain rifamycin S derivatives as inhibitors of HIV-1 reverse transcriptase.
Three types of open ansa-chain rifamycin S derivatives have been prepared: derivatives with the ansa-chain open at C(29) and the… (More)
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1983
1983
Rifamycin B oxidase from Monocillium spp., a new type of diphenol oxidase.
It was found that enzyme from a microbial strain, Monocillium spp. ATCC 20621, catalyzed the oxidative reaction of rifamycin B to… (More)
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1981
1981
3-Hydroxyrifamycin S and further novel ansamycins from a recombinant strain R-21 of Nocardia mediterranei.
The structures of 3-hydroxyrifamycin S and six further novel ansamycins isolated from the recombinant strain R-21 of Nocardia… (More)
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