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Title | STRUCTURE OF A HAP1-18/DNA COMPLEX REVEALS THAT PROTEIN/DNA INTERACTIONS CAN HAVE DIRECT ALLOSTERIC EFFECTS ON TRANSCRI ACTIVATION | |
PDB code | 2HAP (PDB summary) | |
NDB code | PD0090 (NDB atlas) | |
Duplex length | 19 base pairs | |
Protein | Heme activator protein, Transcription factor, DNA binding domain: Zn2-Cys6 binuclear cluster |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.219 | |
Straight line (x-axis) | 4.017 | |
Arc | 1.080 | Radius of curvature: r = 96 Å |
Kinked line | 0.506 | Kink angle: alpha = 24° Lengths of straight segments: l1 = 7 bp, l2 = 12 bp |
Double kinked line | 0.406 | Kink angles: alpha1 = 25°, alpha2 = 10° Twist angle: omega = 125° Lengths of straight segments: l1 = 7 bp, l2 = 8 bp, l3 = 4 bp |