MGI:109608Mice homozygous for a targeted null mutations exhibit no discernable phenotype; mice are viable and fertile with no change in cancer susceptibility.
1. Niedermeyer, J, Enenkel, B, Park, J E, Damm, K, Schnapp, A. . Mouse fibroblast-activation protein--conserved Fap gene organization and biochemical function as a serine protease. In European journal of biochemistry, 254, 650-4. doi:. https://pubmed.ncbi.nlm.nih.gov/9688278/