Excited state charge-transfer dynamics study of poplar plastocyanin by ultrafast pump-probe spectroscopy and molecular dynamics simulation.
Identifieur interne : 004455 ( Main/Exploration ); précédent : 004454; suivant : 004456Excited state charge-transfer dynamics study of poplar plastocyanin by ultrafast pump-probe spectroscopy and molecular dynamics simulation.
Auteurs : Tiziana Cimei [Italie] ; Anna Rita Bizzarri ; Giulio Cerullo ; Sandro De Silvestri ; Salvatore CannistraroSource :
- Biophysical chemistry [ 0301-4622 ] ; 2003.
Descripteurs français
- KwdFr :
- Analyse de Fourier (MeSH), Conformation moléculaire (MeSH), Cuivre (métabolisme), Cystéine (composition chimique), Cystéine (métabolisme), Facteurs temps (MeSH), Modèles moléculaires (MeSH), Plastocyanine (composition chimique), Populus (composition chimique), Simulation numérique (MeSH), Soufre (métabolisme), Spectrophotométrie (instrumentation), Spectrophotométrie (méthodes).
- MESH :
- composition chimique : Cystéine, Plastocyanine, Populus.
- métabolisme : Cuivre, Cystéine, Soufre, Spectrophotométrie.
- méthodes : Spectrophotométrie.
- Analyse de Fourier, Conformation moléculaire, Facteurs temps, Modèles moléculaires, Simulation numérique.
English descriptors
- KwdEn :
- Computer Simulation (MeSH), Copper (metabolism), Cysteine (chemistry), Cysteine (metabolism), Fourier Analysis (MeSH), Models, Molecular (MeSH), Molecular Conformation (MeSH), Plastocyanin (chemistry), Populus (chemistry), Spectrophotometry (instrumentation), Spectrophotometry (methods), Sulfur (metabolism), Time Factors (MeSH).
- MESH :
- chemical , chemistry : Cysteine, Plastocyanin.
- chemical , metabolism : Copper, Cysteine, Sulfur.
- chemistry : Populus.
- instrumentation : Spectrophotometry.
- methods : Spectrophotometry.
- Computer Simulation, Fourier Analysis, Models, Molecular, Molecular Conformation, Time Factors.
Abstract
We have applied ultrafast pump-probe spectroscopy to investigate the excited state dynamics of the blue copper protein poplar plastocyanin, by exciting in the blue side of its 600-nm absorption band. The decay of the charge-transfer excited state occurs exponentially with a time constant of approximately 280 fs and is modulated by well visible oscillations. The Fourier transform of the oscillatory component, besides providing most of the vibrational modes found by conventional resonance Raman, presents additional bands in the low frequency region modes, which are reminiscent of collective motions of biological relevance. Notably, a high frequency mode at approximately 508 cm(-1), whose dynamics are consistent with that of the excited state and already observed for other blue copper proteins, is shown to be present also in poplar plastocyanin. This vibrational mode is reproduced by a molecular dynamics simulation involving the excited state of the copper site.
DOI: 10.1016/s0301-4622(03)00215-1
PubMed: 14556894
Affiliations:
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sort="Cerullo, Giulio" uniqKey="Cerullo G" first="Giulio" last="Cerullo">Giulio Cerullo</name></author><author><name sortKey="De Silvestri, Sandro" sort="De Silvestri, Sandro" uniqKey="De Silvestri S" first="Sandro" last="De Silvestri">Sandro De Silvestri</name></author><author><name sortKey="Cannistraro, Salvatore" sort="Cannistraro, Salvatore" uniqKey="Cannistraro S" first="Salvatore" last="Cannistraro">Salvatore Cannistraro</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2003">2003</date><idno type="RBID">pubmed:14556894</idno><idno type="pmid">14556894</idno><idno type="doi">10.1016/s0301-4622(03)00215-1</idno><idno type="wicri:Area/Main/Corpus">004398</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004398</idno><idno type="wicri:Area/Main/Curation">004398</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004398</idno><idno 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Bizzarri</name></author><author><name sortKey="Cerullo, Giulio" sort="Cerullo, Giulio" uniqKey="Cerullo G" first="Giulio" last="Cerullo">Giulio Cerullo</name></author><author><name sortKey="De Silvestri, Sandro" sort="De Silvestri, Sandro" uniqKey="De Silvestri S" first="Sandro" last="De Silvestri">Sandro De Silvestri</name></author><author><name sortKey="Cannistraro, Salvatore" sort="Cannistraro, Salvatore" uniqKey="Cannistraro S" first="Salvatore" last="Cannistraro">Salvatore Cannistraro</name></author></analytic><series><title level="j">Biophysical chemistry</title><idno type="ISSN">0301-4622</idno><imprint><date when="2003" type="published">2003</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Computer Simulation (MeSH)</term><term>Copper (metabolism)</term><term>Cysteine (chemistry)</term><term>Cysteine (metabolism)</term><term>Fourier Analysis (MeSH)</term><term>Models, Molecular (MeSH)</term><term>Molecular Conformation (MeSH)</term><term>Plastocyanin (chemistry)</term><term>Populus (chemistry)</term><term>Spectrophotometry (instrumentation)</term><term>Spectrophotometry (methods)</term><term>Sulfur (metabolism)</term><term>Time Factors (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Analyse de Fourier (MeSH)</term><term>Conformation moléculaire (MeSH)</term><term>Cuivre (métabolisme)</term><term>Cystéine (composition chimique)</term><term>Cystéine (métabolisme)</term><term>Facteurs temps (MeSH)</term><term>Modèles moléculaires (MeSH)</term><term>Plastocyanine (composition chimique)</term><term>Populus (composition chimique)</term><term>Simulation numérique (MeSH)</term><term>Soufre (métabolisme)</term><term>Spectrophotométrie (instrumentation)</term><term>Spectrophotométrie (méthodes)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Cysteine</term><term>Plastocyanin</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Copper</term><term>Cysteine</term><term>Sulfur</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Cystéine</term><term>Plastocyanine</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Spectrophotometry</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Spectrophotometry</term></keywords><keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Cuivre</term><term>Cystéine</term><term>Soufre</term><term>Spectrophotométrie</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Spectrophotométrie</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Computer Simulation</term><term>Fourier Analysis</term><term>Models, Molecular</term><term>Molecular Conformation</term><term>Time Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de Fourier</term><term>Conformation moléculaire</term><term>Facteurs temps</term><term>Modèles moléculaires</term><term>Simulation numérique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">We have applied ultrafast pump-probe spectroscopy to investigate the excited state dynamics of the blue copper protein poplar plastocyanin, by exciting in the blue side of its 600-nm absorption band. The decay of the charge-transfer excited state occurs exponentially with a time constant of approximately 280 fs and is modulated by well visible oscillations. The Fourier transform of the oscillatory component, besides providing most of the vibrational modes found by conventional resonance Raman, presents additional bands in the low frequency region modes, which are reminiscent of collective motions of biological relevance. Notably, a high frequency mode at approximately 508 cm(-1), whose dynamics are consistent with that of the excited state and already observed for other blue copper proteins, is shown to be present also in poplar plastocyanin. This vibrational mode is reproduced by a molecular dynamics simulation involving the excited state of the copper site.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">14556894</PMID><DateCompleted><Year>2004</Year><Month>07</Month><Day>21</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>01</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0301-4622</ISSN><JournalIssue CitedMedium="Print"><Volume>106</Volume><Issue>3</Issue><PubDate><Year>2003</Year><Month>Dec</Month><Day>01</Day></PubDate></JournalIssue><Title>Biophysical chemistry</Title><ISOAbbreviation>Biophys Chem</ISOAbbreviation></Journal><ArticleTitle>Excited state charge-transfer dynamics study of poplar plastocyanin by ultrafast pump-probe spectroscopy and molecular dynamics simulation.</ArticleTitle><Pagination><MedlinePgn>221-31</MedlinePgn></Pagination><Abstract><AbstractText>We have applied ultrafast pump-probe spectroscopy to investigate the excited state dynamics of the blue copper protein poplar plastocyanin, by exciting in the blue side of its 600-nm absorption band. The decay of the charge-transfer excited state occurs exponentially with a time constant of approximately 280 fs and is modulated by well visible oscillations. The Fourier transform of the oscillatory component, besides providing most of the vibrational modes found by conventional resonance Raman, presents additional bands in the low frequency region modes, which are reminiscent of collective motions of biological relevance. Notably, a high frequency mode at approximately 508 cm(-1), whose dynamics are consistent with that of the excited state and already observed for other blue copper proteins, is shown to be present also in poplar plastocyanin. This vibrational mode is reproduced by a molecular dynamics simulation involving the excited state of the copper site.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Cimei</LastName><ForeName>Tiziana</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Biophysics & Nanoscience Group, INFM, Dipartimento di Scienze Ambientali, Università della Tuscia, I-01100.Viterbo, Italy</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rita Bizzarri</LastName><ForeName>Anna</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Cerullo</LastName><ForeName>Giulio</ForeName><Initials>G</Initials></Author><Author ValidYN="Y"><LastName>De Silvestri</LastName><ForeName>Sandro</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Cannistraro</LastName><ForeName>Salvatore</ForeName><Initials>S</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal 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MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013053" MajorTopicYN="N">Spectrophotometry</DescriptorName><QualifierName UI="Q000295" MajorTopicYN="Y">instrumentation</QualifierName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013455" MajorTopicYN="N">Sulfur</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>10</Month><Day>15</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>7</Month><Day>22</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>10</Month><Day>15</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">14556894</ArticleId><ArticleId IdType="pii">S0301462203002151</ArticleId><ArticleId IdType="doi">10.1016/s0301-4622(03)00215-1</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Italie</li></country></list><tree><noCountry><name sortKey="Cannistraro, Salvatore" sort="Cannistraro, Salvatore" uniqKey="Cannistraro S" first="Salvatore" last="Cannistraro">Salvatore Cannistraro</name><name sortKey="Cerullo, Giulio" sort="Cerullo, Giulio" uniqKey="Cerullo G" first="Giulio" last="Cerullo">Giulio Cerullo</name><name sortKey="De Silvestri, Sandro" sort="De Silvestri, Sandro" uniqKey="De Silvestri S" first="Sandro" last="De Silvestri">Sandro De Silvestri</name><name sortKey="Rita Bizzarri, Anna" sort="Rita Bizzarri, Anna" uniqKey="Rita Bizzarri A" first="Anna" last="Rita Bizzarri">Anna Rita Bizzarri</name></noCountry><country name="Italie"><noRegion><name sortKey="Cimei, Tiziana" sort="Cimei, Tiziana" uniqKey="Cimei T" first="Tiziana" last="Cimei">Tiziana Cimei</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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