2.7.1.35 pyridoxal kinase hippocampal pyramidal layer from CA1 region, strong immunoreactivity 2.7.11.17 Ca2+/calmodulin-dependent protein kinase hippocampal pyramidal layer - 2.7.11.22 cyclin-dependent kinase hippocampal pyramidal layer - 3.4.22.59 caspase-6 hippocampal pyramidal layer CA1 and CA3a region