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Báo cáo khóa học: Active-site residues and amino acid specificity of the bacterial 4¢-phosphopantothenoylcysteine synthetase CoaB

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:10

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In bacteria, coenzyme A is synthesized in five steps from D-pantothenate. The Dfp flavoprotein catalyzes the synthe-sis of the coenzyme A precursor 4¢-phosphopantetheine from 4¢-phosphopantothenate and cysteine using the cofac-tors CTP and flavine mononucleotide via the phospho-peptide-like compound 4¢-phosphopantothenoylcysteine. The synthesis of 4¢-phosphopantothenoylcysteine is cata-lyzedby theC-terminal CoaBdomainofDfp andoccurs via the acyl-cytidylate intermediate 4¢-phosphopantothenoyl-CMP in two half reactions. ...

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Nội dung Text: Báo cáo khóa học: Active-site residues and amino acid specificity of the bacterial 4¢-phosphopantothenoylcysteine synthetase CoaB

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