该品系是基于策略设计时的数据库信息制作而成，建议您在购买前查询最新的数据库和相关文献，以获取最准确的表型信息。

MGI:1914272 Mice homozygous for a null allele exhibit perinatal lethality. Conditional deletion in cardiac or muscle tissue leads to various phenotypes observed in nuclear type mitochondrial complex I deficiency 20.