A full conformational space analysis of bilirubin
- Autores
- Vega Hissi, Esteban Gabriel; Garro Martinez, Juan Ceferino; Zamarbide, Graciela Nidia; Estrada, Mario Rinaldo; Knak Jensen, Svend J.; Tomas Vert, Francisco; Csizmadia, Imre G.
- Año de publicación
- 2009
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Ab initio methods were utilized in a gas-phase systematic conformational search of bilirubin conformers. The whole molecule was divided into four fragments. Most stable conformers of them were employed to build 196 conformers of the complete bilirubin molecule. Initial geometries were optimized using HF/321Glevel of theory and the minimum energy conformerswere then reoptimized at B3LYP/6-31G(d) level. Ridge-tile conformer was the most stable one, in perfect agreement with X-ray data. We found that while tetrapyrrole backbone shows some flexibility, propionic acid side chains have a greater influence in bilirubin conformation because they can interact through different hydrogen bond patterns with the backbone and between them.
Fil: Vega Hissi, Esteban Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina
Fil: Garro Martinez, Juan Ceferino. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina
Fil: Zamarbide, Graciela Nidia. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina
Fil: Estrada, Mario Rinaldo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina
Fil: Knak Jensen, Svend J.. University Aarhus; Dinamarca
Fil: Tomas Vert, Francisco. Universidad de Valencia; España
Fil: Csizmadia, Imre G.. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina. University of Toronto; Canadá. University of Szeged. Department of Chemistry and Chemical Informatics. Faculty of Education; Hungría - Materia
-
BILIRRUBIN
RIDGE-TILE
HYDROGEN BOND PATTERN
FLEXIBILITY - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/158403
Ver los metadatos del registro completo
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A full conformational space analysis of bilirubinVega Hissi, Esteban GabrielGarro Martinez, Juan CeferinoZamarbide, Graciela NidiaEstrada, Mario RinaldoKnak Jensen, Svend J.Tomas Vert, FranciscoCsizmadia, Imre G.BILIRRUBINRIDGE-TILEHYDROGEN BOND PATTERNFLEXIBILITYhttps://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1Ab initio methods were utilized in a gas-phase systematic conformational search of bilirubin conformers. The whole molecule was divided into four fragments. Most stable conformers of them were employed to build 196 conformers of the complete bilirubin molecule. Initial geometries were optimized using HF/321Glevel of theory and the minimum energy conformerswere then reoptimized at B3LYP/6-31G(d) level. Ridge-tile conformer was the most stable one, in perfect agreement with X-ray data. We found that while tetrapyrrole backbone shows some flexibility, propionic acid side chains have a greater influence in bilirubin conformation because they can interact through different hydrogen bond patterns with the backbone and between them.Fil: Vega Hissi, Esteban Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; ArgentinaFil: Garro Martinez, Juan Ceferino. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; ArgentinaFil: Zamarbide, Graciela Nidia. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; ArgentinaFil: Estrada, Mario Rinaldo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; ArgentinaFil: Knak Jensen, Svend J.. University Aarhus; DinamarcaFil: Tomas Vert, Francisco. Universidad de Valencia; EspañaFil: Csizmadia, Imre G.. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina. University of Toronto; Canadá. University of Szeged. Department of Chemistry and Chemical Informatics. Faculty of Education; HungríaElsevier Science2009-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/158403Vega Hissi, Esteban Gabriel; Garro Martinez, Juan Ceferino; Zamarbide, Graciela Nidia; Estrada, Mario Rinaldo; Knak Jensen, Svend J.; et al.; A full conformational space analysis of bilirubin; Elsevier Science; Journal of Molecular Structure Theochem; 911; 1-3; 10-2009; 24-290166-1280CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0166128009004345info:eu-repo/semantics/altIdentifier/doi/10.1016/j.theochem.2009.06.039info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:37Zoai:ri.conicet.gov.ar:11336/158403instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:33:37.572CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
A full conformational space analysis of bilirubin |
title |
A full conformational space analysis of bilirubin |
spellingShingle |
A full conformational space analysis of bilirubin Vega Hissi, Esteban Gabriel BILIRRUBIN RIDGE-TILE HYDROGEN BOND PATTERN FLEXIBILITY |
title_short |
A full conformational space analysis of bilirubin |
title_full |
A full conformational space analysis of bilirubin |
title_fullStr |
A full conformational space analysis of bilirubin |
title_full_unstemmed |
A full conformational space analysis of bilirubin |
title_sort |
A full conformational space analysis of bilirubin |
dc.creator.none.fl_str_mv |
Vega Hissi, Esteban Gabriel Garro Martinez, Juan Ceferino Zamarbide, Graciela Nidia Estrada, Mario Rinaldo Knak Jensen, Svend J. Tomas Vert, Francisco Csizmadia, Imre G. |
author |
Vega Hissi, Esteban Gabriel |
author_facet |
Vega Hissi, Esteban Gabriel Garro Martinez, Juan Ceferino Zamarbide, Graciela Nidia Estrada, Mario Rinaldo Knak Jensen, Svend J. Tomas Vert, Francisco Csizmadia, Imre G. |
author_role |
author |
author2 |
Garro Martinez, Juan Ceferino Zamarbide, Graciela Nidia Estrada, Mario Rinaldo Knak Jensen, Svend J. Tomas Vert, Francisco Csizmadia, Imre G. |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
BILIRRUBIN RIDGE-TILE HYDROGEN BOND PATTERN FLEXIBILITY |
topic |
BILIRRUBIN RIDGE-TILE HYDROGEN BOND PATTERN FLEXIBILITY |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.4 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Ab initio methods were utilized in a gas-phase systematic conformational search of bilirubin conformers. The whole molecule was divided into four fragments. Most stable conformers of them were employed to build 196 conformers of the complete bilirubin molecule. Initial geometries were optimized using HF/321Glevel of theory and the minimum energy conformerswere then reoptimized at B3LYP/6-31G(d) level. Ridge-tile conformer was the most stable one, in perfect agreement with X-ray data. We found that while tetrapyrrole backbone shows some flexibility, propionic acid side chains have a greater influence in bilirubin conformation because they can interact through different hydrogen bond patterns with the backbone and between them. Fil: Vega Hissi, Esteban Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina Fil: Garro Martinez, Juan Ceferino. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Luis; Argentina. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina Fil: Zamarbide, Graciela Nidia. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina Fil: Estrada, Mario Rinaldo. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina Fil: Knak Jensen, Svend J.. University Aarhus; Dinamarca Fil: Tomas Vert, Francisco. Universidad de Valencia; España Fil: Csizmadia, Imre G.. Universidad Nacional de San Luis. Facultad de Química, Bioquímica y Farmacia. Departamento de Farmacia; Argentina. University of Toronto; Canadá. University of Szeged. Department of Chemistry and Chemical Informatics. Faculty of Education; Hungría |
description |
Ab initio methods were utilized in a gas-phase systematic conformational search of bilirubin conformers. The whole molecule was divided into four fragments. Most stable conformers of them were employed to build 196 conformers of the complete bilirubin molecule. Initial geometries were optimized using HF/321Glevel of theory and the minimum energy conformerswere then reoptimized at B3LYP/6-31G(d) level. Ridge-tile conformer was the most stable one, in perfect agreement with X-ray data. We found that while tetrapyrrole backbone shows some flexibility, propionic acid side chains have a greater influence in bilirubin conformation because they can interact through different hydrogen bond patterns with the backbone and between them. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-10 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/158403 Vega Hissi, Esteban Gabriel; Garro Martinez, Juan Ceferino; Zamarbide, Graciela Nidia; Estrada, Mario Rinaldo; Knak Jensen, Svend J.; et al.; A full conformational space analysis of bilirubin; Elsevier Science; Journal of Molecular Structure Theochem; 911; 1-3; 10-2009; 24-29 0166-1280 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/158403 |
identifier_str_mv |
Vega Hissi, Esteban Gabriel; Garro Martinez, Juan Ceferino; Zamarbide, Graciela Nidia; Estrada, Mario Rinaldo; Knak Jensen, Svend J.; et al.; A full conformational space analysis of bilirubin; Elsevier Science; Journal of Molecular Structure Theochem; 911; 1-3; 10-2009; 24-29 0166-1280 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0166128009004345 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.theochem.2009.06.039 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Science |
publisher.none.fl_str_mv |
Elsevier Science |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |