1VPW: Structure Of The Purr Mutant, L54m, Bound To Hypoxanthine An Operator Dna
reference: The structure of PurR mutant L54M shows an alternative route to DNA kinking., Arvidson DN, Lu F, Faber C, Zalkin H, Brennan RG, Nat Struct Biol 1998 Jun;5(6):436-41. PMID: 9628480

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