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Title | NMR STUDY OF TRP REPRESSOR-MTR OPERATOR DNA COMPLEX | |
PDB code | 1CO0 (PDB summary) | |
NDB code | 1CO0 (NDB atlas) | |
Duplex length | 20 base pairs | |
Protein | Trp operon repressor, Transcription Factor, DNA binding domain: Alpha-helix, DNA binding domain: TrpR-like, shared helix after helix-turn-helix |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.561 | |
Straight line (x-axis) | 5.731 | |
Arc | 3.251 | Radius of curvature: r = 100 Å |
Kinked line | 1.435 | Kink angle: alpha = 31° Lengths of straight segments: l1 = 14 bp, l2 = 6 bp |
Double kinked line | 0.772 | Kink angles: alpha1 = 16°, alpha2 = 38° Twist angle: omega = 153° Lengths of straight segments: l1 = 7 bp, l2 = 6 bp, l3 = 7 bp |