Cloning, overexpression, purification, crystallization and preliminary diffraction analysis of the receiver domain of MicA

Colin J Bent, Neil W Isaacs, Timothy J Mitchell, Alan Riboldi-Tunnicliffe

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

MicA is a response regulator from Streptococcus pneumoniae thought to be involved in redox-energy sensing under oxygen-limiting environments. The purified protein was crystallized using the sitting-drop vapour-diffusion technique. X-ray diffraction data were collected using synchrotron radiation to a resolution of 1.91 A. The crystals belong to the monoclinic space group C222(1), with unit-cell parameters a = 78.69, b = 92.57, c = 37.16 A, alpha = beta = gamma = 90.0 degrees. The Matthews coefficient indicates that MicA crystallizes with one molecule in the asymmetric unit.

Original languageEnglish
Pages (from-to)758-60
Number of pages3
JournalActa Crystallographica Section D Biological Crystallography
Volume59
Issue numberPt 4
Publication statusPublished - Apr 2003

Keywords

  • Cloning, Molecular
  • Crystallization
  • Histocompatibility Antigens Class I
  • Plasmids
  • Streptococcus pneumoniae
  • X-Ray Diffraction

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