1BF4:
reference: The crystal structure of the hyperthermophile chromosomal protein Sso7d bound to DNA., Gao YG, Su SY, Robinson H, Padmanabhan S, Lim L, McCrary BS, Edmondson SP, Shriver JW, Wang AH, Nat Struct Biol 1998 Sep;5(9):782-6. PMID: 9731772

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