Naip1^tm1Dgen

A bacterial lacZ gene was inserted into the gene but was not expressed. RNA transcripts are detectable in small intestine, large intestine, cecum, brainstem, spinal cord, Harderian glands, heart, lung, liver, pancreas, kidney, spleen, thymus, lymph nodes, bone marrow, skin, gallbladder, urinary bladder, pituitary gland, adrenal gland, salivary gland, skeletal muscle, tongue, stomach, testis, epididymis, seminal vesicle, coagulating gland, prostate gland, ovaries, uterus and white fat. LacZ expression was not detected in any tissues or organs analyzed.