Tpp2^tm1.1Gnie

Exons 11 and 12 were removed by germ-line, cre-mediated recombination. The absence of protein activity was confirmed by an alanyl-alanyl-phenylalanyl-7-amino-4-methylcoumarin-degradation assay on splenocyte lysates and the absence of protein product was confirmed by western blot analysis on peripheral blood cell extracts. (J:133572)