ENU-induced T to C transition at base pair 21,152,617 (v38) on chromosome 10, or base pair 8,368 in the GenBank genomic region NC_000076 encoding Myb. The mutation corresponds to residue 612 in the mRNA sequence NM_010848 within exon 5 of 15 total exons. The mutation results in a serine (S) to proline (P) substitution at position 116 (S116P) in the MYB protein. (J:265264)