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Protein Engineering Protocols - Mycobacteriology research center

Protein Engineering Protocols - Mycobacteriology research center

Protein Engineering Protocols - Mycobacteriology research center

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<strong>Protein</strong>-Based Ca 2+ Indicators 77Fig. 3. Example fluorescence spectrum of YC6.1.Fig. 4. Example Ca 2+ -binding curve of YC6.1.3. To produce the Ca 2+ -binding curve, plot the free[Ca 2+ ] vs the change in the emissionratio. Figure 4 shows the Ca 2+ -binding curve of YC6.1.3.3. Ca 2+ Imaging With ChameleonsThe following section describes a simple Ca 2+ -imaging experiment usingHeLa cells; however, with minor modifications, the method can be applied to

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