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Structure of yeast 5-aminolaevulinic acid dehydratase complexed with the inhibitor 5-hydroxylaevulinic acid

  • P. T. Erskine
  • , L. Coates
  • , R. Newbold
  • , A. A. Brindley
  • , F. Stauffer
  • , G. D. E. Beaven
  • , R. Gill
  • , A. Coker
  • , S. P. Wood
  • , M. J. Warren
  • , P. M. Shoolingin-Jordan
  • , R. Neier
  • , J. B. Cooper

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The X-ray structure of the enzyme 5-aminolaevulinic acid dehydratase (ALAD) from yeast complexed with the competitive inhibitor 5-hydroxylaevulinic acid has been determined at a resolution of 1.9 A. The structure shows that the inhibitor is bound by a Schiff-base link to one of the invariant active-site lysine residues (Lys263). The inhibitor appears to bind in two well defined conformations and the interactions made by it suggest that it is a very close analogue of the substrate 5-aminolaevulinic acid (ALA).

    Original languageEnglish
    Pages (from-to)1222-6
    Number of pages5
    JournalActa Crystallographica Section D
    VolumeD61
    Issue numberPt 9
    DOIs
    Publication statusPublished - Sept 2005

    Keywords

    • Aminolevulinic Acid/analogs & derivatives
    • Binding Sites
    • Crystallography, X-Ray
    • Fungal Proteins/chemistry
    • Molecular Structure
    • Porphobilinogen Synthase/antagonists & inhibitors
    • Protein Conformation
    • Schiff Bases

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