This spontaneous T-to-C mutation (on reverse gene strand; chrX:g.163936672A>G on forward strand) changes tyrosine codon 425 to a histidine codon (p.Y425H). It is found in the BALB/cJ, BALB/cByJ, AKR/J, CAST/EiJ, LEWES/EiJ, MOLF/EiJ, PWK/PhJ, RF/J, SEA/GnJ, SPRET/EiJ, and ZALENDE/EiJ strains. (J:294207)