Nfatc2^tm1Srf

470 base pairs of exon 2 and approximately 400 base pairs of intron 2 were replaced with a neomycin selection cassette. The insertion of the neo gene removed a splice site and introduced stop codons into all three reading frames. Western blot analysis of splenocyte nuclear protein extracts confirmed the absence of normal encoded protein in homozygous mutant mice. (J:45252, J:110686, J:150931)