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. 2010 Jun 30;84(18):9267–9277. doi: 10.1128/JVI.00616-10

FIG. 1.

FIG. 1.

The HCV 3′ UTR RNA. (A) The positive-strand 3′ UTR consists of three distinct regions, i.e., a short genotype-specific variable region, a polypyrimidine tract [poly(U/UC)] of variable length, and a conserved 98-nucleotide sequence known as the X region containing three stable stem-loops. The predicted structure of the genotype 1b 3′ UTR is shown. (B) Left panel, the integrities of in vitro-transcribed radiolabeled full-length 3′ UTR RNAs of genotypes 1b (nucleotides 9375 to 9595) and 2a (nucleotides 9443 to 9678) and the poly(U/UC) (nucleotides 9406 to 9497) and X region (nucleotides 9498 to 9595) of genotype 1b are shown on denaturing polyacrylamide gels. Right panel, the integrities of in vitro-transcribed radiolabeled RNAs comprising the 3′-terminal NS5B-coding region plus the 3′ UTR RNAs of genotypes 1b (nucleotides 9136 to 9595) and 2a (nucleotides 9204 to 9678) (KL-3′ UTR) are shown on denaturing polyacrylamide gels.