This spontaneous G-to-A mutation (on reverse gene strand; ChrX:g.161842605C>T on forward strand) changes valine codon 583 to an isoleucine codon (p.V583I). It is found in the BALB/cJ, BALB/cByJ, CAST/EiJ, LEWES/EiJ, MOLF/EiJ, PWK/PhJ, SEA/GnJ, SPRET/EiJ, and WSB/EiJ strains. (J:294207)