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Title | PURINE REPRESSOR-HYPOXANTHINE-PURF-OPERATOR COMPLEX | |
PDB code | 1PNR (PDB summary) | |
NDB code | PDR020 (NDB atlas) | |
Duplex length | 16 base pairs | |
Protein | Purine repressor, Transcription factor, DNA binding domain: Lac I family |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.480 | |
Straight line (x-axis) | 10.667 | |
Arc | 1.622 | Radius of curvature: r = 41 Å |
Kinked line | 0.801 | Kink angle: alpha = 42° Lengths of straight segments: l1 = 8 bp, l2 = 8 bp |
Double kinked line | 0.443 | Kink angles: alpha1 = 79°, alpha2 = 107° Twist angle: omega = -149° Lengths of straight segments: l1 = 7 bp, l2 = 1 bp, l3 = 8 bp |