Category: pyrazines. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2-Amino-4,5-dihydrothiazole-4-carboxylic acid, is researched, Molecular C4H6N2O2S, CAS is 2150-55-2, about Study on fermentation conditions and culture medium of enzymatic synthesis of L-cysteine. Author is Kou, Guang-hui; Zhou, Chang-ping; Liu, Shu-yun; Chen, Ning.
L-cysteine synthesizing enzyme could be produced in Pseudomonas sp.TS1138, induced by DL-2-amino-Δ2-thiazoline-4-carboxylic acid (DL-ATC). Optimum conditions suitable for enzyme production in Pseudomonas sp. TS1138 were studied and the results showed that enzymes activity in Pseudomonas sp. TS1138 was highest when the cultivate conditions were as follows: mass concentration of DL-ATC was 5 g/L, glucose and urea were carbon and nitrogen source resp., fermentation temperature was 27-29°C, liquid volume of culture medium was 40 mL in a 500 mL shaking flask. The highest enzymes activity could reach 1,780 U/mL in a 7 L fermentor under the optimum conditions.
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