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  • 标题:Structural basis and evolution of redox regulation in plant adenosine-5′-phosphosulfate kinase
  • 本地全文:下载
  • 作者:Geoffrey E. Ravilious ; Amelia Nguyen ; Julie A. Francois
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:2012
  • 卷号:109
  • 期号:1
  • 页码:309-314
  • DOI:10.1073/pnas.1115772108
  • 语种:English
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:Adenosine-5'-phosphosulfate (APS) kinase (APSK) catalyzes the phosphorylation of APS to 3'-phospho-APS (PAPS). In Arabidopsis thaliana, APSK is essential for reproductive viability and competes with APS reductase to partition sulfate between the primary and secondary branches of the sulfur assimilatory pathway; however, the biochemical regulation of APSK is poorly understood. The 1.8-A resolution crystal structure of APSR from A. thaliana (AtAPSK) in complex with {beta
  • 关键词:enzyme kinetics ; sulfur metabolism ; X-ray crystallography ; metabolic evolution
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