Fig. (4).
One day after birth, PKR2 is still expressed at high levels in olfactory bulb in the neuroepithelium lining the ventricles, in the striatum, in the hippocampus, in thalamic and hypothalamic paraventricular nuclei, in suprachiasmatic nucleus, in amygdala and in the cortex, while PKR1 is still present only in the cortex.