Protein-protein and protein-ligand interactions studied by electrospray-ionization mass spectrometry

Protein Pept Lett. 2007;14(9):894-902. doi: 10.2174/092986607782110301.

Abstract

Preservation of non-covalent interactions in biopolymer mass spectrometry offers new approaches to binding analysis. Recent work from our laboratory is reviewed here and discussed with reference to recent literature in the field. Three issues are considered in particular: hydrophobically stabilized complexes, pH-dependent transitions, and linked protein-ligand and protein-protein binding equilibria.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Proteins / chemistry
  • Bacterial Proteins / metabolism
  • DNA-Binding Proteins / chemistry
  • DNA-Binding Proteins / metabolism
  • Dimerization
  • Escherichia coli Proteins / chemistry
  • Escherichia coli Proteins / metabolism
  • Hydrogen-Ion Concentration
  • Hydrophobic and Hydrophilic Interactions
  • Lactoglobulins / chemistry
  • Lactoglobulins / metabolism
  • Ligands
  • Protein Binding
  • Proteins / chemistry*
  • Proteins / metabolism*
  • Repressor Proteins / chemistry
  • Repressor Proteins / metabolism
  • Spectrometry, Mass, Electrospray Ionization*

Substances

  • ArgR protein, Bacteria
  • Bacterial Proteins
  • DNA-Binding Proteins
  • Escherichia coli Proteins
  • Lactoglobulins
  • Ligands
  • Proteins
  • Repressor Proteins
  • WrbA protein, E coli