Replacement of exon 3 and flanking intronic sequence with a neomycin cassette. Heterozygous ES cells were shown to secrete half the wild-type amount of protein by radioreceptor assay. (J:32218)
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Replacement of exon 3 and flanking intronic sequence with a neomycin cassette. Heterozygous ES cells were shown to secrete half the wild-type amount of protein by radioreceptor assay. (J:32218)