The construct containing rat secretoglobin, family 1A, member 1 (uteroglobin) (Scgb1a1) promotor driving cre recombinase gene was used to create transgenic line in C57BL/6 mouse. Cre is expressed in Clara cells, brain, kidney, adrenal gland, stomach, pancreas, brain, and Harderian gland. (J:202955)