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A fibrinolytic enzyme isolated from marine Bacillus subtilis HQS-3 was purified to electrophoretic homogeneity using ammonium sulphate precipitation, alkaline solution treatment, membrane concentration, dialysis, ion exchange, and gel filtration chromatography. SDS-PAGE and gel filtration chromatography showed that it was a monomeric protein with an(More)
Phenylalanine ammonia-lyase (PAL) is the enzyme that converts L-phenylalanine (L-phe) to trans-cinnamic acid and ammonia 1 . Therefore, this enzyme can reduce the level of L-phe in the blood and is a prospective drug for the treatment of phenylketonuria 2, 3 . Besides, PAL also converts trans-cinnamic acid and ammonia to L-phe under specific conditions and(More)
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