[Partial synthesis of aminoglycosidic antibiotics. I. An enzymatic reactor model using cofactors]. 1977

F Le Goffic, and S Sicsic, and C Vincent

In order to produce specifically N-monoalkylated derivatives of aminoglycoside antibiotics of potential therapeutic values, we have developed an enzymatic reactor. This system uses the aminoglycoside acetyltransferase as catalyst and acetylcoenzyme A as acetyl donor. The immobilization of one aminoglycoside acetyltransferase on different resins has been studied. The coreticulation of this enzyme on DEAE cellulose in the presence of glutaraldehyde gives rise to an enzymatic resin of high efficiency. On the other hand, we have also studied the acetylation of coenzyme A in a simple manner. Acetylation occurs in a quantitative yield when the reaction is performed in the presence of polyvinyl-4 pyridine/divinylbenzene 2 per cent. These conclusions enabled to develop two types of acetylating reactors which give rise without purification to 3-acetyl gentamicin.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D004800 Enzymes, Immobilized Enzymes which are immobilized on or in a variety of water-soluble or water-insoluble matrices with little or no loss of their catalytic activity. Since they can be reused continuously, immobilized enzymes have found wide application in the industrial, medical and research fields. Immobilized Enzymes,Enzyme, Immobilized,Immobilized Enzyme
D005839 Gentamicins A complex of closely related aminoglycosides obtained from MICROMONOSPORA purpurea and related species. They are broad-spectrum antibiotics, but may cause ear and kidney damage. They act to inhibit PROTEIN BIOSYNTHESIS. Gentamicin Sulfate (USP),Gentamycin,G-Myticin,Garamycin,Gentacycol,Gentamicin,Gentamicin Sulfate,Gentamycins,Gentavet,Genticin,G Myticin,GMyticin,Sulfate, Gentamicin
D000105 Acetyl Coenzyme A Acetyl CoA participates in the biosynthesis of fatty acids and sterols, in the oxidation of fatty acids and in the metabolism of many amino acids. It also acts as a biological acetylating agent. Acetyl CoA,Acetyl-CoA,CoA, Acetyl,Coenzyme A, Acetyl
D000123 Acetyltransferases Enzymes catalyzing the transfer of an acetyl group, usually from acetyl coenzyme A, to another compound. EC 2.3.1. Acetyltransferase

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