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Evidence for arylamine N-acetyltransferase activity in the bacterium Helicobacter pylori.
N-Acetyltransferase activities with p-aminobenzoic acid and 2-aminofluorene were determined in Helicobacter pylori from gastroduodenal disease patients. The N-acetyltransferase activity wasExpand
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Evaluation with receptor binding assay on the water extracts of ten CNS-active Chinese herbal drugs.
In the present study, we established receptor binding assays to evaluate the water extracts of ten central nervous system (CNS)-active Chinese herbal drugs. These ten herbal drugs are Chaihu (RadixExpand
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Secondary Structure Analysis of Individual Transmembrane Segments of the Nicotinic Acetylcholine Receptor by Circular Dichroism and Fourier Transform Infrared Spectroscopy*
Circular dichroism (CD) and attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy are used to establish the secondary structure of peptides containing one or moreExpand
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Identifying the cholesterol binding domain in the nicotinic acetylcholine receptor with [125I]azido-cholesterol.
A novel photoreactive analog of cholesterol, 3alpha-(4-azido-3-[125I]iodosalicylic)-cholest-5-ene ([125I]azido-cholesterol), was used to label both native acetylcholine receptor (AChR)-rich membranesExpand
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Inhibition of N-acetyltransferase activity and DNA-2-aminofluorene adducts by glycyrrhizic acid in human colon tumour cells.
  • J. Chung, H. Chang, +4 authors Y. Li
  • Medicine, Chemistry
  • Food and chemical toxicology : an international…
  • 1 February 2000
Glycyrrhizic acid (GA) was tested for inhibition of arylamine N-acetyltransferase (NAT) activity in a human colon tumour (adenocarcinoma) cell line (colo 205). Two assay systems were performed, oneExpand
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Benzodiazepine binding site-interactive flavones from Scutellaria baicalensis root.
A benzodiazepine binding assay directed separation led to the identification of 3 flavones baicalein (1), oroxylin A (2), and skullcapflavone II (3) from the water extract of Scutellaria baicalensisExpand
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In vitro activities of small peptides from snake venom against clinical isolates of drug-resistant Mycobacterium tuberculosis.
The recent re-emergence of tuberculosis, especially the multidrug-resistant cases, has highlighted the importance of screening effective novel drugs against Mycobacterium tuberculosis. In this study,Expand
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Localization of regions of the Torpedo californica nicotinic acetylcholine receptor labeled with an aryl azide derivative of phosphatidylserine.
A photoactivatable analog of phosphatidylserine, 125I-labeled 4-azidosalicylic acid-phosphatidylserine (125I-ASA-PS) (Blanton, M. and Wang, H.H. (1990) Biochemistry 29, 1186-1194) was used to labelExpand
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Methanol-Induced Unfolding and Refolding of Cytochrome b5 and Its P40V Mutant Monitored by UV-Visible, CD, and Fluorescence Spectra
In order to illustrate the structural importance of proline-40 of cytochrome b5 (Cyt b5), the P40V mutant gene was constructed. Unfolding and refolding of Cyt b5 induced by methanol was investigatedExpand
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Inhibition of Escherichia coli by dimethyl fumarate.
The antibacterial activity of dimethyl fumarate (DMF) and six other compounds against Escherichia coli (E. coli, K12) was investigated in culture media and compared. DMF was found to be moreExpand
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