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  • Active sites of blue copper proteins in both reduced and oxidized states were studied at the Density Functional Theory (DFT) level. Two families of these redox sites were examined: the Type A centres with methionine ligand as fourth residue and the Type B with glutamine residue. Constrained and full optimizations were performed on the protein data bank structures in vacuo and in implicit solvent model simulating protein and water environments. It was found that the redox sites do not possess optimum geometries regardless of the oxidation state. The axial Cu-ligand bond elongates/shortens in the fully optimized Cu(I)/Cu(II) complexes. The reduced centres have a tendency to decrease the coordination number, while a trend to form four -equivalent- bonds is preferred in the oxidized centres. Comparison of the full and constrained optimizations also revealed that the A centres exhibit lower relaxation energies.
  • Active sites of blue copper proteins in both reduced and oxidized states were studied at the Density Functional Theory (DFT) level. Two families of these redox sites were examined: the Type A centres with methionine ligand as fourth residue and the Type B with glutamine residue. Constrained and full optimizations were performed on the protein data bank structures in vacuo and in implicit solvent model simulating protein and water environments. It was found that the redox sites do not possess optimum geometries regardless of the oxidation state. The axial Cu-ligand bond elongates/shortens in the fully optimized Cu(I)/Cu(II) complexes. The reduced centres have a tendency to decrease the coordination number, while a trend to form four -equivalent- bonds is preferred in the oxidized centres. Comparison of the full and constrained optimizations also revealed that the A centres exhibit lower relaxation energies. (en)
Title
  • Computational study of redox active centres of blue copper proteins: a computational DFT study
  • Computational study of redox active centres of blue copper proteins: a computational DFT study (en)
skos:prefLabel
  • Computational study of redox active centres of blue copper proteins: a computational DFT study
  • Computational study of redox active centres of blue copper proteins: a computational DFT study (en)
skos:notation
  • RIV/00216208:11320/08:00206389!RIV10-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika
  • 24
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 360880
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/08:00206389
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Computational; study; redox; active; centres; copper; proteins; computational; study (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [C5F4647F7BAC]
http://linked.open...i/riv/nazevZdroje
  • Molecular Physics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 106
http://linked.open...iv/tvurceVysledku
  • Burda, Jaroslav
  • Pavelka, Matěj
http://linked.open...ain/vavai/riv/wos
  • 000263929200009
http://linked.open...n/vavai/riv/zamer
issn
  • 0026-8976
number of pages
http://localhost/t...ganizacniJednotka
  • 11320
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