Volume 51, Issue 49 pp. 12242-12245
Communication

Charge-Balanced Metal Fluoride Complexes for Protein Kinase A with Adenosine Diphosphate and Substrate Peptide SP20

Dr. Yi Jin

Dr. Yi Jin

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

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Dr. Matthew J. Cliff

Dr. Matthew J. Cliff

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

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Dr. Nicola J. Baxter

Dr. Nicola J. Baxter

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

Manchester Institute of Biotechnology, Manchester, M1 7DN (UK)

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Dr. Hugh R. W. Dannatt

Dr. Hugh R. W. Dannatt

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

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Andrea M. Hounslow

Andrea M. Hounslow

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

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Dr. Matthew W. Bowler

Dr. Matthew W. Bowler

European Molecular Biology Laboratory and Unit of Virus Host-Cell Interactions, UJF-EMBL-CNRS, UMI 3265, 6 rue Jules Horowitz, BP 181, 38042, Grenoble (France)

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Prof. Dr.  G. Michael Blackburn

Corresponding Author

Prof. Dr.  G. Michael Blackburn

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)Search for more papers by this author
Prof. Dr. Jonathan P. Waltho

Corresponding Author

Prof. Dr. Jonathan P. Waltho

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)

Manchester Institute of Biotechnology, Manchester, M1 7DN (UK)

Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, S10 2TN (UK)Search for more papers by this author
First published: 04 November 2012
Citations: 26

The expression construct for cAPK from mouse was provided by Dr. Peter Rellos, SGC, Oxford (UK). We thank the University of Sheffield for a Studentship (to Y.J.) and BBSRC for Grant No. I002146.

Graphical Abstract

Well-balanced: 19F NMR spectroscopy defined a trifluoromagnesate complex for protein kinase A (multicolored) with adenosine diphosphate (black), the MgF3 ion (green), and the SP20 peptide substrate (purple with dots). A sphere (cyan) centered on the MgF3 ion embraces all catalytic components and much of the SP20 substrate. The content of the sphere is uncharged conforming to the charge balance hypothesis.

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