Classic Maximum Entropy Recovery of the Average Joint Distribution of Apparent FRET Efficiency and Fluorescence Photons for Single-molecule Burst Measurements

DeVore, Matthew S.; Gull, Stephen F.; Johnson, Carey K.

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Issue Date

2012-04-05

Author

DeVore, Matthew S.

Gull, Stephen F.

Johnson, Carey K.

Publisher

American Chemical Society

Type

Article

Article Version

Scholarly/refereed, author accepted manuscript

Rights

This document is the Accepted Manuscript version of a Published Work that appeared in final form in the Journal of Physical Chemistry B, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/jp209861u.

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Abstract

We describe a method for analysis of single-molecule Förster resonance energy transfer (FRET) burst measurements using classic maximum entropy. Classic maximum entropy determines the Bayesian inference for the joint probability describing the total fluorescence photons and the apparent FRET efficiency. The method was tested with simulated data and then with DNA labeled with fluorescent dyes. The most probable joint distribution can be marginalized to obtain both the overall distribution of fluorescence photons and the apparent FRET efficiency distribution. This method proves to be ideal for determining the distance distribution of FRET-labeled biomolecules, and it successfully predicts the shape of the recovered distributions.

Citation

DeVore, M. S., Gull, S. F., & Johnson, C. K. (2012). Classic Maximum Entropy Recovery of the Average Joint Distribution of Apparent FRET Efficiency and Fluorescence Photons for Single-molecule Burst Measurements. The Journal of Physical Chemistry. B, 116(13), 4006–4015. http://doi.org/10.1021/jp209861u

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