Enhancement of crystallization with nucleotide ligands identified by dye-ligand affinity chromatography

J Struct Funct Genomics. 2012 Jun;13(2):71-9. doi: 10.1007/s10969-012-9124-8.

Abstract

Ligands interacting with Mycobacterium tuberculosis recombinant proteins were identified through use of the ability of Cibacron Blue F3GA dye to interact with nucleoside/nucleotide binding proteins, and the effects of these ligands on crystallization were examined. Co-crystallization with ligands enhanced crystallization and enabled X-ray diffraction data to be collected to a resolution of atleast 2.7 Å for 5 of 10 proteins tested. Additionally, clues about individual proteins’ functions were obtained from their interactions with each of a panel of ligands.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Bacterial Proteins / chemistry
  • Bacterial Proteins / genetics
  • Bacterial Proteins / isolation & purification
  • Chromatography, Affinity / methods*
  • Crystallography, X-Ray / methods*
  • Electrophoresis, Polyacrylamide Gel
  • Escherichia coli / chemistry
  • Escherichia coli / genetics
  • Ligands
  • Mycobacterium tuberculosis / chemistry
  • Mycobacterium tuberculosis / genetics
  • NADP Transhydrogenases / chemistry
  • NADP Transhydrogenases / genetics
  • Nucleotides / chemistry*
  • Nucleotides / genetics
  • Protein Interaction Mapping / methods
  • Recombinant Proteins / chemistry
  • Recombinant Proteins / genetics
  • Recombinant Proteins / isolation & purification
  • Triazines / chemistry*

Substances

  • Bacterial Proteins
  • Ligands
  • Nucleotides
  • Recombinant Proteins
  • Triazines
  • Cibacron Blue F 3GA
  • NADP Transhydrogenases