1FKY:
reference: Solution structure as a function of pH of two central mismatches, C . T and C . C, in the 29 to 39 K-ras gene sequence, by nuclear magnetic resonance and molecular dynamics., Boulard Y, Cognet JA, Fazakerley GV, J Mol Biol 1997 May 2;268(2):331-47. PMID: 9159474

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