anti-Actin, alpha 2, Smooth Muscle, Aorta (ACTA2) (N-Term) antibody (HiLyte Fluor 488): Green fluorescence. Excitation/Emission wavelength= 499 nm/523 nm. The fluorescence of HiLyte Fluor(TM) 488 is brighter and more resistant to photobleaching compared to other green fluorophores, such as FITC.