Extended Data Fig. 9: Validation of anti-NP2 antibody.

(a) Immunocytochemical analysis of HA-tagged NP1, NP2 and NPR (full-length) expressed in HEK293 cells. Newly raised anti-NP2 antibody showed selective signals for NP2. (b) Specific immunostaining of endogenous NP2 in the visual cortex after the light stimulation. Anti-NP2 antibody detected the increase of NP2 protein expression in all layers of visual cortex 4 hours after light exposure compared with 0 hr exposure control. Bars, 50 μm.