Rangefinder: A semisynthetic FRET sensor design algorithm

J. Mitchell, J. Whitfield, W. Zhang, C. Henneberger, H.L. Janovjak, M. O’Mara, C. Jackson, ACS SENSORS 1 (2016) 1286–1290.

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Journal Article | Published | English
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Abstract
Optical sensors based on the phenomenon of Förster resonance energy transfer (FRET) are powerful tools that have advanced the study of small molecules in biological systems. However, sensor construction is not trivial and often requires multiple rounds of engineering or an ability to screen large numbers of variants. A method that would allow the accurate rational design of FRET sensors would expedite the production of biologically useful sensors. Here, we present Rangefinder, a computational algorithm that allows rapid in silico screening of dye attachment sites in a ligand-binding protein for the conjugation of a dye molecule to act as a Förster acceptor for a fused fluorescent protein. We present three ratiometric fluorescent sensors designed with Rangefinder, including a maltose sensor with a dynamic range of >300% and the first sensors for the most abundant sialic acid in human cells, N-acetylneuraminic acid. Provided a ligand-binding protein exists, it is our expectation that this model will facilitate the design of an optical sensor for any small molecule of interest.
Publishing Year
Date Published
2016-11-10
Journal Title
ACS SENSORS
Acknowledgement
J.A.M., J.H.W., and W.H.Z. were supported by Australian Postgraduate Awards (APA), AS Sargeson Supplementary scholarships, and RSC supplementary scholarships. C.J.J. acknowledges support from a Human Frontiers in Science Young Investigator Award and a Discovery Project and Future Fellowship from the Australian Research Council. M.L.O. is supported by an Australian Research Council Discovery Project (DP130102153) and the Merit Allocation Scheme of the National Computational Infrastructure.
Volume
1
Issue
11
Page
1286 - 1290
IST-REx-ID

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Mitchell J, Whitfield J, Zhang W, et al. Rangefinder: A semisynthetic FRET sensor design algorithm. ACS SENSORS. 2016;1(11):1286-1290. doi:10.1021/acssensors.6b00576
Mitchell, J., Whitfield, J., Zhang, W., Henneberger, C., Janovjak, H. L., O’Mara, M., & Jackson, C. (2016). Rangefinder: A semisynthetic FRET sensor design algorithm. ACS SENSORS, 1(11), 1286–1290. https://doi.org/10.1021/acssensors.6b00576
Mitchell, Joshua, Jason Whitfield, William Zhang, Christian Henneberger, Harald L Janovjak, Megan O’Mara, and Colin Jackson. “Rangefinder: A Semisynthetic FRET Sensor Design Algorithm.” ACS SENSORS 1, no. 11 (2016): 1286–90. https://doi.org/10.1021/acssensors.6b00576.
J. Mitchell et al., “Rangefinder: A semisynthetic FRET sensor design algorithm,” ACS SENSORS, vol. 1, no. 11, pp. 1286–1290, 2016.
Mitchell J, Whitfield J, Zhang W, Henneberger C, Janovjak HL, O’Mara M, Jackson C. 2016. Rangefinder: A semisynthetic FRET sensor design algorithm. ACS SENSORS. 1(11), 1286–1290.
Mitchell, Joshua, et al. “Rangefinder: A Semisynthetic FRET Sensor Design Algorithm.” ACS SENSORS, vol. 1, no. 11, ACS, 2016, pp. 1286–90, doi:10.1021/acssensors.6b00576.

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