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Title: Nuclear resonance vibrational spectroscopy reveals the FeS cluster composition and active site vibrational properties of an O2-tolerant NAD+-reducing [NiFe] hydrogenase

Abstract

Hydrogenases are complex metalloenzymes that catalyze the reversible splitting of molecular hydrogen into protons and electrons essentially without overpotential. The NAD+-reducing soluble hydrogenase (SH) from Ralstonia eutropha is capable of H2 conversion even in the presence of usually toxic dioxygen. The molecular details of the underlying reactions are largely unknown, mainly because of limited knowledge of the structure and function of the various metal cofactors present in the enzyme. Here, all iron-containing cofactors of the SH were investigated by 57Fe specific nuclear resonance vibrational spectroscopy (NRVS). Our data provide experimental evidence for one [2Fe2S] center and four [4Fe4S] clusters, which is consistent with the amino acid sequence composition. Only the [2Fe2S] cluster and one of the four [4Fe4S] clusters were reduced upon incubation of the SH with NADH. This finding explains the discrepancy between the large number of FeS clusters and the small amount of FeS cluster-related signals as detected by electron paramagnetic resonance spectroscopic analysis of several NAD+-reducing hydrogenases. For the first time, Fe–CO and Fe–CN modes derived from the [NiFe] active site could be distinguished by NRVS through selective 13C labeling of the CO ligand. This strategy also revealed the molecular coordinates that dominate the individual Fe–CO modes.more » The present approach explores the complex vibrational signature of the Fe–S clusters and the hydrogenase active site, thereby showing that NRVS represents a powerful tool for the elucidation of complex biocatalysts containing multiple cofactors.« less

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [3];  [3];  [2]
  1. Technische Univ. Berlin, Berlin (Germany); Univ. of California, Davis, CA (United States)
  2. Univ. of California, Davis, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Technische Univ. Berlin, Berlin (Germany)
  4. Univ. of California, Davis, CA (United States)
  5. JARSI, Sayo-gun, Hyogo (Japan)
  6. RIKEN, Sayo-gun, Hyogo (Japan)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1214545
Grant/Contract Number:  
AC02-05CH11231; GM-65440
Resource Type:
Accepted Manuscript
Journal Name:
Chemical Science
Additional Journal Information:
Journal Volume: 6; Journal Issue: 2; Journal ID: ISSN 2041-6520
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Lauterbach, Lars, Wang, Hongxin, Horch, Marius, Gee, Leland B., Yoda, Yoshitaka, Tanaka, Yoshihito, Zebger, Ingo, Lenz, Oliver, and Cramer, Stephen P. Nuclear resonance vibrational spectroscopy reveals the FeS cluster composition and active site vibrational properties of an O2-tolerant NAD+-reducing [NiFe] hydrogenase. United States: N. p., 2014. Web. doi:10.1039/C4SC02982H.
Lauterbach, Lars, Wang, Hongxin, Horch, Marius, Gee, Leland B., Yoda, Yoshitaka, Tanaka, Yoshihito, Zebger, Ingo, Lenz, Oliver, & Cramer, Stephen P. Nuclear resonance vibrational spectroscopy reveals the FeS cluster composition and active site vibrational properties of an O2-tolerant NAD+-reducing [NiFe] hydrogenase. United States. https://doi.org/10.1039/C4SC02982H
Lauterbach, Lars, Wang, Hongxin, Horch, Marius, Gee, Leland B., Yoda, Yoshitaka, Tanaka, Yoshihito, Zebger, Ingo, Lenz, Oliver, and Cramer, Stephen P. Thu . "Nuclear resonance vibrational spectroscopy reveals the FeS cluster composition and active site vibrational properties of an O2-tolerant NAD+-reducing [NiFe] hydrogenase". United States. https://doi.org/10.1039/C4SC02982H. https://www.osti.gov/servlets/purl/1214545.
@article{osti_1214545,
title = {Nuclear resonance vibrational spectroscopy reveals the FeS cluster composition and active site vibrational properties of an O2-tolerant NAD+-reducing [NiFe] hydrogenase},
author = {Lauterbach, Lars and Wang, Hongxin and Horch, Marius and Gee, Leland B. and Yoda, Yoshitaka and Tanaka, Yoshihito and Zebger, Ingo and Lenz, Oliver and Cramer, Stephen P.},
abstractNote = {Hydrogenases are complex metalloenzymes that catalyze the reversible splitting of molecular hydrogen into protons and electrons essentially without overpotential. The NAD+-reducing soluble hydrogenase (SH) from Ralstonia eutropha is capable of H2 conversion even in the presence of usually toxic dioxygen. The molecular details of the underlying reactions are largely unknown, mainly because of limited knowledge of the structure and function of the various metal cofactors present in the enzyme. Here, all iron-containing cofactors of the SH were investigated by 57Fe specific nuclear resonance vibrational spectroscopy (NRVS). Our data provide experimental evidence for one [2Fe2S] center and four [4Fe4S] clusters, which is consistent with the amino acid sequence composition. Only the [2Fe2S] cluster and one of the four [4Fe4S] clusters were reduced upon incubation of the SH with NADH. This finding explains the discrepancy between the large number of FeS clusters and the small amount of FeS cluster-related signals as detected by electron paramagnetic resonance spectroscopic analysis of several NAD+-reducing hydrogenases. For the first time, Fe–CO and Fe–CN modes derived from the [NiFe] active site could be distinguished by NRVS through selective 13C labeling of the CO ligand. This strategy also revealed the molecular coordinates that dominate the individual Fe–CO modes. The present approach explores the complex vibrational signature of the Fe–S clusters and the hydrogenase active site, thereby showing that NRVS represents a powerful tool for the elucidation of complex biocatalysts containing multiple cofactors.},
doi = {10.1039/C4SC02982H},
journal = {Chemical Science},
number = 2,
volume = 6,
place = {United States},
year = {Thu Oct 30 00:00:00 EDT 2014},
month = {Thu Oct 30 00:00:00 EDT 2014}
}

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Works referenced in this record:

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Catalytic Production of Hydrogen Peroxide and Water by Oxygen-Tolerant [NiFe]-Hydrogenase during H 2 Cycling in the Presence of O 2
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H 2 -driven cofactor regeneration with NAD(P) + -reducing hydrogenases
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Works referencing / citing this record:

Nitrosylation of Nitric-Oxide-Sensing Regulatory Proteins Containing [4Fe-4S] Clusters Gives Rise to Multiple Iron-Nitrosyl Complexes
journal, October 2016

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  • DOI: 10.1002/anie.201607033

Spectroscopic and Computational Investigations of Ligand Binding to IspH: Discovery of Non-diphosphate Inhibitors
journal, April 2017


Hydride bridge in [NiFe]-hydrogenase observed by nuclear resonance vibrational spectroscopy
journal, August 2015

  • Ogata, Hideaki; Krämer, Tobias; Wang, Hongxin
  • Nature Communications, Vol. 6, Issue 1
  • DOI: 10.1038/ncomms8890

Understanding the structure and dynamics of hydrogenases by ultrafast and two-dimensional infrared spectroscopy
journal, January 2019

  • Horch, Marius; Schoknecht, Janna; Wrathall, Solomon L. D.
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  • DOI: 10.1039/c9sc02851j

Nitrosylation of Nitric-Oxide-Sensing Regulatory Proteins Containing [4Fe-4S] Clusters Gives Rise to Multiple Iron-Nitrosyl Complexes
journal, October 2016

  • Serrano, Pauline N.; Wang, Hongxin; Crack, Jason C.
  • Angewandte Chemie, Vol. 128, Issue 47
  • DOI: 10.1002/ange.201607033