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Title | THE PHAGE 434 CRO/OR1 COMPLEX AT 2.5 ANGSTROMS RESOLUTION | |
PDB code | 3CRO (PDB summary) | |
NDB code | PDR001 (NDB atlas) | |
Duplex length | 19 base pairs | |
Protein | CRO protein, Transcription factor, DNA binding domain: Prokaryotic helix-turn-helix |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.099 | |
Straight line (x-axis) | 4.059 | |
Arc | 0.271 | Radius of curvature: r = 83 Å |
Kinked line | 0.787 | Kink angle: alpha = 22° Lengths of straight segments: l1 = 9 bp, l2 = 10 bp |
Double kinked line | 0.145 | Kink angles: alpha1 = 18°, alpha2 = 18° Twist angle: omega = -20° Lengths of straight segments: l1 = 6 bp, l2 = 8 bp, l3 = 5 bp |