176bp upstream of the initiation site and the following intron were replaced with a lacZ/neo cassette creating a null allele. Insertion was confirmed by a beta-galactosidase assay. (J:122557)
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176bp upstream of the initiation site and the following intron were replaced with a lacZ/neo cassette creating a null allele. Insertion was confirmed by a beta-galactosidase assay. (J:122557)