UASt regulatory sequences drive expression of the entire Rnor\Camk2a coding sequence, mutated to carry a T286A amino acid substitution (this prevents autophosphorylation), and tagged at the N-terminal end with Venus and at the C-terminal end with a cyan fluorescent protein that has enhanced brightness (carries the S175G mutation). Shows an attenuated and more transient change in fluorescence resonance energy transfer (FRET) between the two fluorophores upon activation of Rnor\Camk2a compared to 'Camuiα' (which contains a wild-type T286 autophosphorylation site) (details from PMID:15788767).