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Title | LACTOSE OPERON REPRESSOR BOUND TO 21-BASE PAIR SYMMETRIC OPERATOR DNA, ALPHA CARBONS ONLY | |
PDB code | 1LBG (PDB summary) | |
NDB code | PDR026 (NDB atlas) | |
Duplex length | 16 base pairs | |
Protein | Lactose operon repressor, Transcription factor, DNA binding domain: Lac I family |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.301 | |
Straight line (x-axis) | 12.738 | |
Arc | 1.698 | Radius of curvature: r = 40 Å |
Kinked line | 0.666 | Kink angle: alpha = 44° Lengths of straight segments: l1 = 8 bp, l2 = 8 bp |
Double kinked line | 0.834 | Kink angles: alpha1 = 43°, alpha2 = 8° Twist angle: omega = 83° Lengths of straight segments: l1 = 8 bp, l2 = 4 bp, l3 = 4 bp |