Figure 1.

Binding of hnRNP A1 to the G and SG promoters. EMSA was performed as described under Material and Methods. The G and SG promoters were end-labeled with ³²PO₄ (1 × 10⁴ cpm per reaction) and incubated at 37°C for 30 min either alone or with 2 μg of hnRNP A1. A non-specific 31-mer RNA oligo was end-labeled with ³²PO₄ and reacted with 2 μg of hnRNP A1