|
Title | CRYSTAL STRUCTURE OF TRP REPRESSOR OPERATOR COMPLEX AT ATOMI RESOLUTION | |
PDB code | 1TRO (PDB summary) | |
NDB code | PDR009 (NDB atlas) | |
Duplex length | 37 base pairs | |
Protein | Tryptophan repressor, Transcription factor, DNA binding domain: Prokaryotic helix-turn-helix |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 1.406 | |
Straight line (x-axis) | 5.366 | |
Arc | 2.178 | Radius of curvature: r = 322 Å |
Kinked line | 2.456 | Kink angle: alpha = 14° Lengths of straight segments: l1 = 12 bp, l2 = 25 bp |
Double kinked line | 0.717 | Kink angles: alpha1 = 15°, alpha2 = 16° Twist angle: omega = -84° Lengths of straight segments: l1 = 9 bp, l2 = 20 bp, l3 = 8 bp |