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Title | RECOGNITION OF A DNA OPERATOR BY THE REPRESSOR OF PHAGE 434. A VIEW AT HIGH RESOLUTION | |
PDB code | 2OR1 (PDB summary) | |
NDB code | PDR004 (NDB atlas) | |
Duplex length | 19 base pairs | |
Protein | Phage 434 repressor, Transcription factor, DNA binding domain: Prokaryotic helix-turn-helix |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.286 | |
Straight line (x-axis) | 5.091 | |
Arc | 0.468 | Radius of curvature: r = 77 Å |
Kinked line | 0.930 | Kink angle: alpha = 24° Lengths of straight segments: l1 = 9 bp, l2 = 10 bp |
Double kinked line | 0.176 | Kink angles: alpha1 = 21°, alpha2 = 18° Twist angle: omega = -48° Lengths of straight segments: l1 = 6 bp, l2 = 8 bp, l3 = 5 bp |