Metallicity gradient profiles for each component using the Storchi-Bergmann et al. (1998) and Curti et al. (2017) metallicity relations for AGNs (red circles) and SF regions (blue stars), respectively, with the radius (in kpc) given on the bottom axis. Overplotted are binned linear fits to the radial metallicity gradient in AGNs (dotted red lines) and SF regions (dotted blue lines). The bigger dots mark the binned median values, and error bars represent the scatter in the data within each bin.