3ZHM:
reference: Binding of the N-terminal domain of the lactococcal bacteriophage TP901-1 CI repressor to its target DNA: a crystallography, small angle scattering, and nuclear magnetic resonance study., Frandsen KH, Rasmussen KK, Jensen MR, Hammer K, Pedersen M, Poulsen JC, Arleth L, Lo Leggio L, Biochemistry. 2013 Oct 1;52(39):6892-904. doi: 10.1021/bi400439y. Epub 2013 Sep, 18. PMID: 24047404

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