MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes
Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly appli...
Ausführliche Beschreibung
Autor*in: |
Stiebritz, Martin T [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2015 |
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Rechteinformationen: |
Nutzungsrecht: © 2014 Wiley Periodicals, Inc. |
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Systematik: |
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Übergeordnetes Werk: |
Enthalten in: Journal of computational chemistry - New York, NY : Wiley, 1980, 36(2015), 8, Seite 553-563 |
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Übergeordnetes Werk: |
volume:36 ; year:2015 ; number:8 ; pages:553-563 |
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DOI / URN: |
10.1002/jcc.23831 |
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OLC1968336338 |
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520 | |a Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. | ||
540 | |a Nutzungsrecht: © 2014 Wiley Periodicals, Inc. | ||
650 | 4 | |a sequence‐reactivity relationship | |
650 | 4 | |a protein design | |
650 | 4 | |a metalloenzymes | |
650 | 4 | |a quantum mechanics/molecular mechanics | |
650 | 4 | |a Enzymes | |
650 | 4 | |a Quantum physics | |
650 | 4 | |a Proteins | |
650 | 4 | |a Molecular chemistry | |
650 | 4 | |a Mathematical models | |
650 | 4 | |a Chemical reactions | |
650 | 4 | |a Enzymes - chemistry | |
650 | 4 | |a Bacterial Proteins - metabolism | |
650 | 4 | |a Enzymes - metabolism | |
650 | 4 | |a Bacterial Proteins - genetics | |
650 | 4 | |a Desulfovibrio desulfuricans - metabolism | |
650 | 4 | |a Gene Expression Regulation, Bacterial - physiology | |
650 | 4 | |a Desulfovibrio desulfuricans - enzymology | |
650 | 4 | |a Metalloproteins - chemistry | |
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10.1002/jcc.23831 doi PQ20160617 (DE-627)OLC1968336338 (DE-599)GBVOLC1968336338 (PRQ)c2371-1bf1f38576036a01814a3d858de262ab1d3ce112feb284e2b3a01dcbb88840b03 (KEY)0100255420150000036000800553metrexaproteindesignapproachfortheexplorationofseq DE-627 ger DE-627 rakwb eng 540 DNB VA 5105 AVZ rvk 35.05 bkl Stiebritz, Martin T verfasserin aut MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. Nutzungsrecht: © 2014 Wiley Periodicals, Inc. sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry Enthalten in Journal of computational chemistry New York, NY : Wiley, 1980 36(2015), 8, Seite 553-563 (DE-627)129860301 (DE-600)282917-4 (DE-576)015169324 0192-8651 nnns volume:36 year:2015 number:8 pages:553-563 http://dx.doi.org/10.1002/jcc.23831 Volltext http://onlinelibrary.wiley.com/doi/10.1002/jcc.23831/abstract http://www.ncbi.nlm.nih.gov/pubmed/25649465 http://search.proquest.com/docview/1659818489 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_70 GBV_ILN_4012 VA 5105 35.05 AVZ AR 36 2015 8 553-563 |
spelling |
10.1002/jcc.23831 doi PQ20160617 (DE-627)OLC1968336338 (DE-599)GBVOLC1968336338 (PRQ)c2371-1bf1f38576036a01814a3d858de262ab1d3ce112feb284e2b3a01dcbb88840b03 (KEY)0100255420150000036000800553metrexaproteindesignapproachfortheexplorationofseq DE-627 ger DE-627 rakwb eng 540 DNB VA 5105 AVZ rvk 35.05 bkl Stiebritz, Martin T verfasserin aut MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. Nutzungsrecht: © 2014 Wiley Periodicals, Inc. sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry Enthalten in Journal of computational chemistry New York, NY : Wiley, 1980 36(2015), 8, Seite 553-563 (DE-627)129860301 (DE-600)282917-4 (DE-576)015169324 0192-8651 nnns volume:36 year:2015 number:8 pages:553-563 http://dx.doi.org/10.1002/jcc.23831 Volltext http://onlinelibrary.wiley.com/doi/10.1002/jcc.23831/abstract http://www.ncbi.nlm.nih.gov/pubmed/25649465 http://search.proquest.com/docview/1659818489 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_70 GBV_ILN_4012 VA 5105 35.05 AVZ AR 36 2015 8 553-563 |
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10.1002/jcc.23831 doi PQ20160617 (DE-627)OLC1968336338 (DE-599)GBVOLC1968336338 (PRQ)c2371-1bf1f38576036a01814a3d858de262ab1d3ce112feb284e2b3a01dcbb88840b03 (KEY)0100255420150000036000800553metrexaproteindesignapproachfortheexplorationofseq DE-627 ger DE-627 rakwb eng 540 DNB VA 5105 AVZ rvk 35.05 bkl Stiebritz, Martin T verfasserin aut MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. Nutzungsrecht: © 2014 Wiley Periodicals, Inc. sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry Enthalten in Journal of computational chemistry New York, NY : Wiley, 1980 36(2015), 8, Seite 553-563 (DE-627)129860301 (DE-600)282917-4 (DE-576)015169324 0192-8651 nnns volume:36 year:2015 number:8 pages:553-563 http://dx.doi.org/10.1002/jcc.23831 Volltext http://onlinelibrary.wiley.com/doi/10.1002/jcc.23831/abstract http://www.ncbi.nlm.nih.gov/pubmed/25649465 http://search.proquest.com/docview/1659818489 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_70 GBV_ILN_4012 VA 5105 35.05 AVZ AR 36 2015 8 553-563 |
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10.1002/jcc.23831 doi PQ20160617 (DE-627)OLC1968336338 (DE-599)GBVOLC1968336338 (PRQ)c2371-1bf1f38576036a01814a3d858de262ab1d3ce112feb284e2b3a01dcbb88840b03 (KEY)0100255420150000036000800553metrexaproteindesignapproachfortheexplorationofseq DE-627 ger DE-627 rakwb eng 540 DNB VA 5105 AVZ rvk 35.05 bkl Stiebritz, Martin T verfasserin aut MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. Nutzungsrecht: © 2014 Wiley Periodicals, Inc. sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry Enthalten in Journal of computational chemistry New York, NY : Wiley, 1980 36(2015), 8, Seite 553-563 (DE-627)129860301 (DE-600)282917-4 (DE-576)015169324 0192-8651 nnns volume:36 year:2015 number:8 pages:553-563 http://dx.doi.org/10.1002/jcc.23831 Volltext http://onlinelibrary.wiley.com/doi/10.1002/jcc.23831/abstract http://www.ncbi.nlm.nih.gov/pubmed/25649465 http://search.proquest.com/docview/1659818489 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_70 GBV_ILN_4012 VA 5105 35.05 AVZ AR 36 2015 8 553-563 |
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10.1002/jcc.23831 doi PQ20160617 (DE-627)OLC1968336338 (DE-599)GBVOLC1968336338 (PRQ)c2371-1bf1f38576036a01814a3d858de262ab1d3ce112feb284e2b3a01dcbb88840b03 (KEY)0100255420150000036000800553metrexaproteindesignapproachfortheexplorationofseq DE-627 ger DE-627 rakwb eng 540 DNB VA 5105 AVZ rvk 35.05 bkl Stiebritz, Martin T verfasserin aut MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. Nutzungsrecht: © 2014 Wiley Periodicals, Inc. sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry Enthalten in Journal of computational chemistry New York, NY : Wiley, 1980 36(2015), 8, Seite 553-563 (DE-627)129860301 (DE-600)282917-4 (DE-576)015169324 0192-8651 nnns volume:36 year:2015 number:8 pages:553-563 http://dx.doi.org/10.1002/jcc.23831 Volltext http://onlinelibrary.wiley.com/doi/10.1002/jcc.23831/abstract http://www.ncbi.nlm.nih.gov/pubmed/25649465 http://search.proquest.com/docview/1659818489 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_70 GBV_ILN_4012 VA 5105 35.05 AVZ AR 36 2015 8 553-563 |
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Stiebritz, Martin T ddc 540 rvk VA 5105 bkl 35.05 misc sequence‐reactivity relationship misc protein design misc metalloenzymes misc quantum mechanics/molecular mechanics misc Enzymes misc Quantum physics misc Proteins misc Molecular chemistry misc Mathematical models misc Chemical reactions misc Enzymes - chemistry misc Bacterial Proteins - metabolism misc Enzymes - metabolism misc Bacterial Proteins - genetics misc Desulfovibrio desulfuricans - metabolism misc Gene Expression Regulation, Bacterial - physiology misc Desulfovibrio desulfuricans - enzymology misc Metalloproteins - chemistry MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes |
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540 DNB VA 5105 AVZ rvk 35.05 bkl MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes sequence‐reactivity relationship protein design metalloenzymes quantum mechanics/molecular mechanics Enzymes Quantum physics Proteins Molecular chemistry Mathematical models Chemical reactions Enzymes - chemistry Bacterial Proteins - metabolism Enzymes - metabolism Bacterial Proteins - genetics Desulfovibrio desulfuricans - metabolism Gene Expression Regulation, Bacterial - physiology Desulfovibrio desulfuricans - enzymology Metalloproteins - chemistry |
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ddc 540 rvk VA 5105 bkl 35.05 misc sequence‐reactivity relationship misc protein design misc metalloenzymes misc quantum mechanics/molecular mechanics misc Enzymes misc Quantum physics misc Proteins misc Molecular chemistry misc Mathematical models misc Chemical reactions misc Enzymes - chemistry misc Bacterial Proteins - metabolism misc Enzymes - metabolism misc Bacterial Proteins - genetics misc Desulfovibrio desulfuricans - metabolism misc Gene Expression Regulation, Bacterial - physiology misc Desulfovibrio desulfuricans - enzymology misc Metalloproteins - chemistry |
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ddc 540 rvk VA 5105 bkl 35.05 misc sequence‐reactivity relationship misc protein design misc metalloenzymes misc quantum mechanics/molecular mechanics misc Enzymes misc Quantum physics misc Proteins misc Molecular chemistry misc Mathematical models misc Chemical reactions misc Enzymes - chemistry misc Bacterial Proteins - metabolism misc Enzymes - metabolism misc Bacterial Proteins - genetics misc Desulfovibrio desulfuricans - metabolism misc Gene Expression Regulation, Bacterial - physiology misc Desulfovibrio desulfuricans - enzymology misc Metalloproteins - chemistry |
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metrex: a protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes |
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MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes |
abstract |
Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. |
abstractGer |
Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. |
abstract_unstemmed |
Metalloenzymes represent a particular challenge for any rational (re)design approach because the modeling of reaction events at their metallic cofactors requires time‐consuming quantum mechanical calculations, which cannot easily be reconciled with the fast, knowledge‐based approaches commonly applied in protein design studies. Here, an approach for the exploration of sequence‐reactivity relationships in metalloenzymes is presented (MetREx) that consists of force field‐based screening of mutants that lie energetically between a wild‐type sequence and the global minimum energy conformation and which should, therefore, be compatible with a given protein fold. Mutant candidates are subsequently evaluated with a fast and approximate quantum mechanical/molecular mechanical‐like procedure that models the influence of the protein environment on the active site by taking partial charges and van der Waals repulsions into account. The feasibility of the procedure is demonstrated for the active site of [FeFe] hydrogenase from Desulfovibrio desulfuricans . The method described allows for the identification of mutants with altered properties, such as inhibitor‐coordination energies, and the understanding of the robustness of enzymatic reaction steps with respect to variations in sequence space. © 2015 Wiley Periodicals, Inc. Investigating sequence‐reactivity relationships is crucial for understanding enzymatic activity, but can be challenging in metalloenzymes due to the complicated electronic structures of their active sites. Here, a method is presented (MetREx) that combines fast sequence screening based on protein‐design algorithms with approximate quantum mechanical/molecular mechanical property evaluation to qualitatively study how the reactivity of metallocenters is influenced by mutational variation. |
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MetREx: A protein design approach for the exploration of sequence‐reactivity relationships in metalloenzymes |
url |
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