4.6 Article

Biochemical Characteristics of the Novel Haloalkane Dehalogenase DatA, Isolated from the Plant Pathogen Agrobacterium tumefaciens C58

Journal

APPLIED AND ENVIRONMENTAL MICROBIOLOGY
Volume 77, Issue 5, Pages 1881-1884

Publisher

AMER SOC MICROBIOLOGY
DOI: 10.1128/AEM.02109-10

Keywords

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Funding

  1. Ministry of Education, Youth, and Sports of the Czech Republic [LC06010, MSM0021622412]
  2. European Regional Development Fund [CZ.1.05/2.1.00/01.0001]
  3. Czech Academy of Sciences [IAA401630901]
  4. Ministry of Education, Culture, Sports, Science, and Technology
  5. Ministry of Agriculture, Forestry, and Fisheries, Japan
  6. Grants-in-Aid for Scientific Research [22380047] Funding Source: KAKEN

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We report the biochemical characterization of a novel haloalkane dehalogenase, DatA, isolated from the plant pathogen Agrobacterium tumefaciens C58. DatA possesses a peculiar pair of halide-stabilizing residues, Asn-Tyr, which have not been reported to play this role in other known haloalkane dehalogenases. DatA has a number of other unique characteristics, including substrate-dependent and cooperative kinetics, a dimeric structure, and excellent enantioselectivity toward racemic mixtures of chiral brominated alkanes and esters.

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