Figure 3.
Characterization of ASAP3-mCyRFP3 (ASAP3-R3). (a) Representative images of ASAP3 fusions to various RFPs expressed in primary rat hippocampal neurons acquired on a spinning-disk confocal microscope using Improvision Volocity 6.0 and processed in NIH Fiji 2.1. (b) Laser-scanning confocal images of ASAP3-R3 in a rat hippocampal neuron. Images were acquired with Zeiss Zen Blue software and processed in Fiji 2.1. (c) Above, normalized excitation spectra of mCyRFP3 and mEGFP, showing a single excitation wavelength can be used. Below, normalized emission spectra of mCyRFP3 and mEGFP, showing their emissions are separable (d) Steady-state voltage responsivity of ASAP3-R3. Error bars represent standard error of the mean (n = 8 HEK293 cells). Graphs were made in Microsoft Excel for Mac 16.