Single-molecule fluorescence methods provide new tools for the study of biological systems. Single-pair fluorescence resonance energy transfer has provided detailed information about dynamics and structure of the Ca2+-signaling protein calmodulin. Single-molecule polarization modulation spectroscopy has probed the mechanism by which calmodulin activates the plasma membrane Ca2+ pump.
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| http://dx.doi.org/10.1152/physiol.00037.2004 | DOI Listing |
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