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Published byΣαούλ Κανακάρης-Ρούφος Modified over 5 years ago
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Volume 83, Issue 6, Pages 3499-3506 (December 2002)
Resonance Energy Transfer in a Calcium Concentration-Dependent Cameleon Protein Satoshi Habuchi, Mircea Cotlet, Johan Hofkens, Gunter Dirix, Jan Michiels, Jos Vanderleyden, Vinod Subramaniam, Frans C. De Schryver Biophysical Journal Volume 83, Issue 6, Pages (December 2002) DOI: /S (02) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 1 Absorption and emission spectra of phosphate-buffered saline solutions of EYFP (dashed line) and ECFP (full line). EYFP was excited at 488nm while ECFP at 400nm. Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 2 Fluorescence decays of EYFP excited at 400nm and detected at 440nm (A) and 560nm (B). Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 3 TRES of EYFP excited at 400nm.
Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 4 Steady-state fluorescence spectra of Ca2+-free (dotted line) and Ca2+-bound (solid line) YC3.1 excited at 420nm. Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 5 Fluorescence decays detected from Ca2+-free YC3.1 and Ca2+-bound YC3.1 samples upon excited at 420nm. The detection wavelengths are indicated as insets. Fit and residual graphs are also depicted. Binding of Ca2+ to calmodulin results in the quenching of the 488-nm detected decays and delaying of the rise in the 530-nm detected decay as compared with the unbounded case. Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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Figure 6 TRES of Ca2+-bound (A) and Ca2+-free (B) YC3.1 excited at 420nm. Biophysical Journal , DOI: ( /S (02) ) Copyright © 2002 The Biophysical Society Terms and Conditions
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