Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F09%3A00333179" target="_blank" >RIV/61388955:_____/09:00333179 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins
Original language description
Photoinduced relaxation processes of five structurally characterized Pseudomonas aeruginosa Re-I(CO)(3)(alpha-diimine)(HisX) (X = 83, 107, 109, 124, 126)Cu-II azurins have been investigated by time-resolved (ps-ns) IR spectroscopy and emission spectroscopy. Crystal structures reveal the presence of Re-azurin dimers and trimers; that in two cases (X = 107, 124) involve van der Waals interactions between interdigitated diimine aromatic rings. Time-dependent emission anisotropy measurements confirm that the proteins aggregate in mM solutions (D2O, KPi buffer, pD = 7.1). Excited-state DFT calculations show that extensive charge redistribution in the Re-I(CO)(3) -> diimine (MLCT)-M-3 state occurs: excitation of this (MLCT)-M-3 state triggers several relaxation processes in Re-azurins whose kinetics strongly depend on the location of the metallolabel on the protein surface.
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CF - Physical chemistry and theoretical chemistry
OECD FORD branch
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Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)
Others
Publication year
2009
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of the American Chemical Society
ISSN
0002-7863
e-ISSN
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Volume of the periodical
131
Issue of the periodical within the volume
33
Country of publishing house
US - UNITED STATES
Number of pages
13
Pages from-to
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UT code for WoS article
000269379400039
EID of the result in the Scopus database
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