High-resolution structure of the alcohol dehydrogenase domain of the bifunctional bacterial enzyme AdhE

Liyana Azmi, Eilis C. Bragginton, Ian T. Cadby, Olwyn Byron, Andrew J. Roe*, Andrew L. Lovering, Mads Gabrielsen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The bifunctional alcohol/aldehyde dehydrogenase (AdhE) comprises both an N-terminal aldehyde dehydrogenase (AldDH) and a C-terminal alcohol dehydrogenase (ADH). In vivo, full-length AdhE oligomerizes into long oligomers known as spirosomes. However, structural analysis of AdhE is challenging owing to the heterogeneity of the spirosomes. Therefore, the domains of AdhE are best characterized separately. Here, the structure of ADH from the pathogenic Escherichia coli O157:H7 was determined to 1.65 Å resolution. The dimeric crystal structure was confirmed in solution by small-angle X-ray scattering.

Original languageEnglish
Pages (from-to)414-421
Number of pages8
JournalActa Crystallographica Section F: Structural Biology Communications
Volume76
DOIs
Publication statusPublished - 1 Sept 2020

Bibliographical note

Funding Information:
We thank Diamond Light Source for the MX and SAXS beamtime (MX12112 and MX11651, respectively) and the BL21 beamline scientists for excellent scientific support.

Publisher Copyright:
© 2020 International Union of Crystallography. All rights reserved.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • AdhE
  • alcohol dehydrogenase
  • Escherichia coli

ASJC Scopus subject areas

  • Biophysics
  • Structural Biology
  • Biochemistry
  • Genetics
  • Condensed Matter Physics

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