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Title | PURINE REPRESSOR-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX | |
PDB code | 1QP4 (PDB summary) | |
NDB code | PD0058 (NDB atlas) | |
Duplex length | 16 base pairs | |
Protein | Purine repressor, Transcription factor, DNA binding domain: Lac I family |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.389 | |
Straight line (x-axis) | 8.927 | |
Arc | 1.502 | Radius of curvature: r = 45 Å |
Kinked line | 0.660 | Kink angle: alpha = 38° Lengths of straight segments: l1 = 8 bp, l2 = 8 bp |
Double kinked line | 0.518 | Kink angles: alpha1 = 106°, alpha2 = 79° Twist angle: omega = -154° Lengths of straight segments: l1 = 8 bp, l2 = 1 bp, l3 = 7 bp |