Kim and H S Kang from Escherichia coli ATCC 11105 . acylaseprocessing and activities of penicillin G Effects
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Activity of Some Plant Extracts Against Multi-Drug Resistant Human Pathogens
Plants used for traditional medicine contain a wide range of substances which can be used to treat various infectious diseases. Hence, antibacterial activities of ethanolic extracts of 19 plant species were studied against multi-drug resistant clinical isolates using agar well diffusion method. Extracts of Liquidambar orientalis, Vitis vinifera,?? ?????????????????????? ????????????????????,...
متن کاملActivity of Some Plant Extracts Against Multi-Drug Resistant Human Pathogens
Plants used for traditional medicine contain a wide range of substances which can be used to treat various infectious diseases. Hence, antibacterial activities of ethanolic extracts of 19 plant species were studied against multi-drug resistant clinical isolates using agar well diffusion method. Extracts of Liquidambar orientalis, Vitis vinifera,?? ?????????????????????? ????????????????????,...
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A new crystal form of penicillin acylase (penicillin amidohydrolase, E.C. 3.5.1.11) from Escherichia coli W (ATCC 11105) is reported. The crystals were grown using a combination of hanging-drop and streak-seeding methods. The crystals are in the monoclinic space group P2(1) with cell dimensions a = 51.52, b = 131.95, c = 64.43 A, beta = 106.12 degrees. There is one heterodimer in the asymmetric...
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A new penicillin acylase was isolated by cloning and functional screening of DNA isolated from a sand soil enrichment culture. Sequence analysis of this enzyme, PAS2, revealed homology to a group of prominent penicillin G acylases, including the intensively studied enzyme of Escherichia coli ATCC 11105. Accordingly, PAS2 was found to be an Ntn-hydrolase with an N-terminal serine as the catalyti...
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Entrapment of permeabilized whole cells within a matrix is a common method for immobilization. Chitosan possesses distinct chemical and biological properties, which make it a suitable matrix for entrapment and immobilization of penicillin G acylase (PGA). In the first step, Escherichia coli (ATCC 11105) cells were permeabilized using N-cetyl-N,N,N-trimethyl ammonium bromide (CTAB) (0.1% w/v, 45...
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تاریخ انتشار 1992