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Sequence of the ETnII LTR#6, with positions of deletion constructs and EMSA oligonucleotides shown. The transcription start site, as identified in reference 20, is indicated as +1. The predicted TATA-like sequence and polyadenylation signals (20) are boxed, and U3, R, and U5 regions are indicated. Oligonucleotides used as probes in EMSA (I, II, and III) are underlined. Sp1/Sp3 recognition sequences are highlighted in gray; core regions are specified in white letters on a gray ground.
