Enzymatic production of alpha-aminoadipate-delta-semialdehyde and related compounds by lysine epsilon-dehydrogenase from Candida albicans. 1992

T Hammer, and R Bode
Institut für Biochemie, Fachrichtung Biologie, Ernst-Moritz-Arndt-Universität Greifswald.

L-Lysine epsilon-dehydrogenase [L-lysine:NADP+ oxidoreductase (epsilon-deaminating), EC 1.4.1.15] of Candida albicans was studied emphasizing its application for the production of alpha-aminoadipate-delta-semialdehyde and related compounds. A high enzyme level (240 pkat/mg of protein in the crude extract) could be attained during growth in the presence of L-lysine as sole nitrogen source. After optimization of the reaction conditions a partial purified enzyme (1.5 nkat/mg of protein) was used to produce alpha-aminoadipate-delta-semialdehyde, S-(beta-acetaldehyde)-cysteine, alpha-amino-delta-hydroxyadipate-semialdehyde and alpha-amino-gamma-hydroxyadipate-semialdehyde from the corresponding substrates lysine, S-(beta-aminoethyl)-cysteine, 5-hydroxylysine and 4-hydroxylysine, respectively. After purification of the compounds using Dowex 50 x 4 chromatography a yield of the products between 4.6 and 6.8% was achieved.

UI MeSH Term Description Entries
D008239 Lysine An essential amino acid. It is often added to animal feed. Enisyl,L-Lysine,Lysine Acetate,Lysine Hydrochloride,Acetate, Lysine,L Lysine
D002176 Candida albicans A unicellular budding fungus which is the principal pathogenic species causing CANDIDIASIS (moniliasis). Candida albicans var. stellatoidea,Candida stellatoidea,Dematium albicans,Monilia albicans,Myceloblastanon albicans,Mycotorula albicans,Parasaccharomyces albicans,Procandida albicans,Procandida stellatoidea,Saccharomyces albicans,Syringospora albicans
D003470 Culture Media Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN. Media, Culture
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000594 Amino Acid Oxidoreductases A class of enzymes that catalyze oxidation-reduction reactions of amino acids. Acid Oxidoreductases, Amino,Oxidoreductases, Amino Acid
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures
D015074 2-Aminoadipic Acid A metabolite in the principal biochemical pathway of lysine. It antagonizes neuroexcitatory activity modulated by the glutamate receptor, N-METHYL-D-ASPARTATE; (NMDA). alpha-Aminoadipic Acid,2 Aminoadipic Acid,2-Aminohexanedioic Acid,2 Aminohexanedioic Acid,Acid, 2 Aminoadipic,Acid, 2-Aminoadipic,Acid, 2-Aminohexanedioic,Acid, alpha-Aminoadipic,Aminoadipic Acid, 2,alpha Aminoadipic Acid

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