1MFY:
reference: A single-nucleotide natural variation (U4 to C4) in an influenza A virus promoter exhibits a large structural change: implications for differential viral RNA synthesis by RNA-dependent RNA polymerase., Lee MK, Bae SH, Park CJ, Cheong HK, Cheong C, Choi BS, Nucleic Acids Res 2003 Feb 15;31(4):1216-23. PMID: 12582241

This OCA Structure page
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