University Associate Professor

Research in my group can be divided into two areas, although these share a common theme of engineering metal protein interactions in novel ways.

One goal is to engineer novel proteins and polypeptide based assemblies that can be used in molecular electronic devices and nanotechnology in general. This involves understanding, at a fundamental level, how metal cofactors, particularly heme, is delivered to proteins in vivo and, in the case of c-type cytochromes, how heme is covalently attached to protein. It also involves understanding how functional protein units can be assembled into larger nanoscale assemblies that gain function through the proximity of the constituent monomers.

The other goal is to explore the interaction of 4d and 5d transition metals with proteins, particularly as a possible route to finding novel medicinal compounds. Specifically, Ruthenium organometallic complexes have shown some potential as anti cancer compounds, but little is understood about how the chemistry of Ruthenium interacts with biomolecules.

Research Interests

  • Self Assembly of Proteins into functional materials
  • Heme protein assembly and heme chaperones
  • Electrochemistry of Proteins
  • Heavy metal complexes and ther interaction with Proteins

Watch Dr Barker discuss his research

Publications

An induced-fit conformational change underlies the binding mechanism of the heme-transport Proteobacteria-protein HemS
M Paoli, S Schneider, K Sharp, P Barker
FASEB JOURNAL
(2007)
21
An induced fit conformational change underlies the binding mechanism of the heme transport proteobacteria-protein HemS
S Schneider, KH Sharp, PD Barker, M Paoli
J Biol Chem
(2006)
281
Crystal structure of the bacterial protein HemS in complex with haem
S Schneider, P Barker, K Sharp, M Paoli
Acta Crystallographica Section A: Foundations and advances
(2006)
62
Macroscopic 2D Networks Self-Assembled from Nanometer-Sized Protein/DNA Complexes
M Manzanera, DJ Frankel, H Li, D Zhou, A Bruckbauer, P Kreutzmann, JM Blackburn, C Abell, T Rayment, D Klenerman, PD Barker
Nano Lett
(2006)
6
Cytochrome display on amyloid fibrils
AJ Baldwin, R Bader, J Christodoulou, CE MacPhee, CM Dobson, PD Barker
J Am Chem Soc
(2006)
128
Controlling self-assembly by linking protein folding, DNA binding, and the redox chemistry of heme
DD Jones, PD Barker
Angewandte Chemie (International ed. in English)
(2005)
44
Why isn't 'standard' heme good enough for c-type and d(1)-type cytochromes?
JWA Allen, PD Barker, O Daltrop, JM Stevens, EJ Tomlinson, N Sinha, Y Sambongi, SJ Ferguson
Dalton Transactions
(2005)
Electron transfer reactions of metalloproteins at peptide-modified gold electrodes.
PD Barker, K Di Gleria, HA Hill, VJ Lowe
European journal of biochemistry
(2005)
190
Organisation of recombinant lipid-tagged cytochrome on surface
P Kreutzmann, M Manzanera, J Norris, R Michael, M Moreau, WTS Huck, PD Barker
BIOPHYSICAL JOURNAL
(2005)
88
Effects of heme on the structure of the denatured state and folding kinetics of cytochrome b(562)
P Garcia, M Bruix, M Rico, S Ciofi-Baffoni, L Banci, MC Ramachandra Shastry, H Roder, T de Lumley Woodyear, CM Johnson, AR Fersht, PD Barker
J Mol Biol
(2004)
346

Telephone number

01223 763096

Email address