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Northern blots of hamster and human poly(A)+ RNA. Four micrograms of poly(A)+ RNA from each cell line was loaded per lane and probed with a 1.5-kb XRCC9 cDNA fragment (A) and subsequently with GAPDH cDNA (B). The film was exposed for 16 h or 1 h for A and B, respectively. (C) Location within the cDNA of the 1.5-kb fragment used in hybridization. The ORF is shown by the bold line.
