1UXC:
reference: Three-dimensional structure of the DNA-binding domain of the fructose repressor from Escherichia coli by 1H and 15N NMR., Penin F, Geourjon C, Montserret R, Bockmann A, Lesage A, Yang YS, Bonod-Bidaud C, Cortay JC, Negre D, Cozzone AJ, Deleage G, J Mol Biol 1997 Jul 18;270(3):496-510. PMID: 9237914

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