Fig. 5.
GATA-1 and OCT-1 do not bind to the mutated GATA binding site. Gel retardation assays showing the binding of K562 (K) and MEL (M) nuclear proteins to the wild-type and mutGATA binding sites. GATA-1 antiserum (lanes 2, 4, 6, and 8) disrupts the GATA-1/DNA complex.