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The critical functional groups of rifampicin in its inhibitory binding of bacterial RNA polymerase are the four critical hydroxyl groups of the ansa bridge and the naphthol ring, which form hydrogen bonds with amino acid residues on the protein. [40] Rifampicin is the 3-(4-methyl-1-piperazinyl)-iminomethyl derivative of rifamycin SV. [41]
The Marada Movement (Arabic: تيار المردة, romanized: Tayyār Al-Marada) is a Lebanese political party and a former militia active during the Lebanese Civil War named after the legendary Marada (also called Mardaites) warriors of the early Middle Ages that fought on the external edge of the Byzantine Empire.
1,3,6-Trigalloylglucose, or more specifically 1,3,6-Tri-O-galloyl-β-D-glucose, is a gallotannin. It can be found in Paeonia lactiflora and Terminalia chebula. [1]
The rifamycin group includes the classic rifamycin drugs as well as the rifamycin derivatives rifampicin (or rifampin), rifabutin, rifapentine, rifalazil and rifaximin. Rifamycin, sold under the trade name Aemcolo, is approved in the United States for treatment of travelers' diarrhea in some circumstances. [1] [2] [3]
Maraviroc is an entry inhibitor.Specifically, maraviroc is a negative allosteric modulator of the CCR5 receptor, which is found on the surface of certain human cells. The chemokine receptor CCR5 is an essential co-receptor for most HIV strains and necessary for the entry process of the virus into the host cell.
[1] [2] They may either kill or inhibit the growth of bacteria. A limited number of antibiotics also possess antiprotozoal activity. [3] [4] Antibiotics are not effective against viruses such as the ones which cause the common cold or influenza. [5] Drugs which inhibit growth of viruses are termed antiviral drugs or antivirals.
Nalidixic acid (tradenames Nevigramon, NegGram, Wintomylon and WIN 18,320) is the first of the synthetic quinolone antibiotics.. In a technical sense, it is a naphthyridone, not a quinolone: its ring structure is a 1,8-naphthyridine nucleus that contains two nitrogen atoms, unlike quinoline, which has a single nitrogen atom.
3,4-Methylenedioxyamphetamine (MDA) is an empathogen-entactogen, stimulant, and psychedelic drug of the amphetamine family that is encountered mainly as a recreational drug. [3] In its pharmacology , MDA is a serotonin–norepinephrine–dopamine releasing agent (SNDRA).