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. Author manuscript; available in PMC: 2017 Apr 1.
Published in final edited form as: Trends Cell Biol. 2016 Feb 16;26(4):300–312. doi: 10.1016/j.tcb.2016.01.003

Figure 1. GCaMPs.

Figure 1

(A) Structure of GCaMP showing the modular nature of the molecule and the locations of mutations in different GCaMP6 variants relative to GCaMP5G. The panel is reproduced from the paper reporting the development of GCaMP6f [24]. (B) Excitation and emission spectra of GCaMP6f in solution in the absence and presence of Ca2+. The spectra were provided by the Janelia GENIE Project; further biophysical properties have been published [24].