Precision and accuracy of single-molecule FRET measurements-a multi-laboratory benchmark study.
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Hellenkamp B
Institute of Physical Chemistry, University of Freiburg, Freiburg im Breisgau, Germany.
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Schmid S
Institute of Physical Chemistry, University of Freiburg, Freiburg im Breisgau, Germany.
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Doroshenko O
Molecular Physical Chemistry, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany.
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Opanasyuk O
Molecular Physical Chemistry, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany.
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Kühnemuth R
Molecular Physical Chemistry, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany.
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Rezaei Adariani S
Department of Physics and Astronomy, Clemson University, Clemson, SC, USA.
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Ambrose B
Department of Chemistry, University of Sheffield, Sheffield, UK.
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Aznauryan M
Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Aarhus, Denmark.
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Barth A
Physical Chemistry, Department of Chemistry, Nanosystems Initiative Munich (NIM), Center for Integrated Protein Science Munich (CiPSM) and Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Munich, Germany.
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Birkedal V
Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Aarhus, Denmark.
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Bowen ME
Department of Physiology & Biophysics, Stony Brook University, Stony Brook, NY, USA.
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Chen H
Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, USA.
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Cordes T
Molecular Microscopy Research Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands.
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Eilert T
Institute for Biophysics, Ulm University, Ulm, Germany.
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Fijen C
Laboratory of Biophysics, Wageningen University & Research, Wageningen, the Netherlands.
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Gebhardt C
Physical and Synthetic Biology, Faculty of Biology, Ludwig-Maximilians-Universität München, Planegg-Martinsried, Germany.
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Götz M
Institute of Physical Chemistry, University of Freiburg, Freiburg im Breisgau, Germany.
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Gouridis G
Molecular Microscopy Research Group, Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands.
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Gratton E
Department of Biomedical Engineering, University of California, Irvine, Irvine, CA, USA.
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Ha T
Department of Biomedical Engineering, John Hopkins University, Baltimore, MD, USA.
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Hao P
Department of Physics, North Carolina State University, Raleigh, NC, USA.
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Hanke CA
Molecular Physical Chemistry, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany.
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Hartmann A
B CUBE-Center for Molecular Bioengineering, TU Dresden, Dresden, Germany.
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Hendrix J
Laboratory for Photochemistry and Spectroscopy, Department of Chemistry, University of Leuven, Leuven, Belgium.
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Hildebrandt LL
Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Aarhus, Denmark.
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Hirschfeld V
Institute of Physics, University of Lübeck, Lübeck, Germany.
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Hohlbein J
Laboratory of Biophysics, Wageningen University & Research, Wageningen, the Netherlands.
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Hua B
Department of Biomedical Engineering, John Hopkins University, Baltimore, MD, USA.
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Hübner CG
Institute of Physics, University of Lübeck, Lübeck, Germany.
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Kallis E
Institute for Biophysics, Ulm University, Ulm, Germany.
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Kapanidis AN
Gene Machines Group, Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.
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Kim JY
School of Chemistry, Seoul National University, Seoul, South Korea.
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Krainer G
B CUBE-Center for Molecular Bioengineering, TU Dresden, Dresden, Germany.
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Lamb DC
Physical Chemistry, Department of Chemistry, Nanosystems Initiative Munich (NIM), Center for Integrated Protein Science Munich (CiPSM) and Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Munich, Germany.
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Lee NK
School of Chemistry, Seoul National University, Seoul, South Korea.
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Lemke EA
Departments of Biology and Chemistry, Pharmacy and Geosciences, Johannes Gutenberg-University Mainz, Mainz, Germany.
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Levesque B
Department of Physiology & Biophysics, Stony Brook University, Stony Brook, NY, USA.
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Levitus M
School of Molecular Sciences and The Biodesign Institute, Arizona State University, Tempe, AZ, USA.
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McCann JJ
Department of Physiology & Biophysics, Stony Brook University, Stony Brook, NY, USA.
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Naredi-Rainer N
Physical Chemistry, Department of Chemistry, Nanosystems Initiative Munich (NIM), Center for Integrated Protein Science Munich (CiPSM) and Center for Nanoscience (CeNS), Ludwig-Maximilians-Universität München, Munich, Germany.
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Nettels D
Department of Biochemistry, University of Zurich, Zurich, Switzerland.
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Ngo T
Department of Biomedical Engineering, John Hopkins University, Baltimore, MD, USA.
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Qiu R
Department of Physics, North Carolina State University, Raleigh, NC, USA.
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Robb NC
Gene Machines Group, Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.
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Röcker C
Institute for Biophysics, Ulm University, Ulm, Germany.
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Sanabria H
Department of Physics and Astronomy, Clemson University, Clemson, SC, USA.
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Schlierf M
B CUBE-Center for Molecular Bioengineering, TU Dresden, Dresden, Germany.
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Schröder T
Department of Chemistry, Ludwig-Maximilians-Universität München, München, Germany.
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Schuler B
Department of Biochemistry, University of Zurich, Zurich, Switzerland.
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Seidel H
Institute of Physics, University of Lübeck, Lübeck, Germany.
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Streit L
Institute for Biophysics, Ulm University, Ulm, Germany.
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Thurn J
Institute of Physical Chemistry, University of Freiburg, Freiburg im Breisgau, Germany.
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Tinnefeld P
Department of Chemistry, Ludwig-Maximilians-Universität München, München, Germany.
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Tyagi S
Structural and Computational Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany.
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Vandenberk N
Laboratory for Photochemistry and Spectroscopy, Department of Chemistry, University of Leuven, Leuven, Belgium.
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Vera AM
Department of Chemistry, Ludwig-Maximilians-Universität München, München, Germany.
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Weninger KR
Department of Physics, North Carolina State University, Raleigh, NC, USA.
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Wünsch B
Institute of Physical & Theoretical Chemistry, Braunschweig Integrated Centre of Systems Biology (BRICS), and Laboratory for Emerging Nanometrology (LENA), Braunschweig University of Technology, Braunschweig, Germany.
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Yanez-Orozco IS
Department of Physics and Astronomy, Clemson University, Clemson, SC, USA.
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Michaelis J
Institute for Biophysics, Ulm University, Ulm, Germany. jens.michaelis@uni-ulm.de.
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Seidel CAM
Molecular Physical Chemistry, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany. cseidel@hhu.de.
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Craggs TD
Department of Chemistry, University of Sheffield, Sheffield, UK. t.craggs@sheffield.ac.uk.
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Hugel T
Institute of Physical Chemistry, University of Freiburg, Freiburg im Breisgau, Germany. thorsten.hugel@pc.uni-freiburg.de.
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English
Single-molecule Förster resonance energy transfer (smFRET) is increasingly being used to determine distances, structures, and dynamics of biomolecules in vitro and in vivo. However, generalized protocols and FRET standards to ensure the reproducibility and accuracy of measurements of FRET efficiencies are currently lacking. Here we report the results of a comparative blind study in which 20 labs determined the FRET efficiencies (E) of several dye-labeled DNA duplexes. Using a unified, straightforward method, we obtained FRET efficiencies with s.d. between ±0.02 and ±0.05. We suggest experimental and computational procedures for converting FRET efficiencies into accurate distances, and discuss potential uncertainties in the experiment and the modeling. Our quantitative assessment of the reproducibility of intensity-based smFRET measurements and a unified correction procedure represents an important step toward the validation of distance networks, with the ultimate aim of achieving reliable structural models of biomolecular systems by smFRET-based hybrid methods.
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Language
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Open access status
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hybrid
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Persistent URL
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https://sonar.ch/global/documents/135153
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