This transgene directs the expression of Cre recombinase under the control of the calcium/calmodulin-dependent protein kinase II promoter. The promoter is active starting at P21 in the cortex, hippocampus, hypothalamus and brainstem. Lines 93 and 159 were generated. The pound symbol (#) is used when no line is specified and/or lines are generated. (J:58229)