|
PDB code | 1QAR (PDB summary) | |
Duplex length | 18 base pairs | |
Protein | Phage P22 repressor, Transcription factor, DNA binding domain: Prokaryotic helix-turn-helix |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.209 | |
Straight line (x-axis) | 3.657 | |
Arc | 0.334 | Radius of curvature: r = 77 Å |
Kinked line | 0.503 | Kink angle: alpha = 22° Lengths of straight segments: l1 = 8 bp, l2 = 10 bp |
Double kinked line | 0.144 | Kink angles: alpha1 = 18°, alpha2 = 15° Twist angle: omega = -54° Lengths of straight segments: l1 = 6 bp, l2 = 6 bp, l3 = 6 bp |