A T2A-Cre sequence was inserted into the fifth exon of the Oprm1 gene and replaced a TAA stop codon by homologous recombination in C57BL/6J ES cells. (J:298887)
Legend:
cx: complex: > 1 genome feature ot: other: hemizygous, indeterminate,... (F): Female
(M): Male
N: normal phenotype
(#): related diseases count