About: Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. 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. (en)
Title	Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins (en)
skos:prefLabel	Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins Relaxation Dynamics of Pseudomonas aeruginosa ReI(CO)3(.alpha.-diimine)(HisX)+ (X = 83, 107, 109, 124, 126)CuII Azurins (en)
skos:notation	RIV/61388955:_____/09:00333179!RIV10-MSM-61388955
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(LC06063), P(OC09043), Z(AV0Z40400503)
http://linked.open...iv/cisloPeriodika	33
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hof, Martin Záliš, Stanislav Sýkora, Jan Vlček jr., Antonín
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	338824
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/09:00333179
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	resolved infrared spectroscopy; excited-state dynamics; electron transfer (en)
http://linked.open.../riv/klicoveSlovo	electron transfer excited-state dynamics resolved infrared spectroscopy
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[24256137C53A]
http://linked.open...i/riv/nazevZdroje	Journal of the American Chemical Society
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	13 (xsd:int)
http://linked.open...vavai/riv/projekt	Flurescence microscopy in biological and medical research Properties and dynamics of electronic states of transition metal complexes
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	131
http://linked.open...iv/tvurceVysledku	Hof, Martin Sýkora, Jan Záliš, Stanislav Gray, H. B. Vlček jr., Antonín Blanco-Rodríguez, A. M. Crane, B. R. Di Billio, A. J. Sudhamsu, J. Towrie, M. Ronayne, K. L. Busby, M. Grädinaru, C.
http://linked.open...ain/vavai/riv/wos	000269379400039
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace
issn	0002-7863
number of pages	13 (xsd:int)

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