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Title | CRYSTAL STRUCTURE OF A T7 RNA POLYMERASE-T7 PROMOTER COMPLEX | |
PDB code | 1CEZ (PDB summary) | |
NDB code | PD0086 (NDB atlas) | |
Duplex length | 13 base pairs | |
Protein | RNA polymerase bacteriophage T7, Polymerase |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.163 | |
Straight line (x-axis) | 1.002 | |
Arc | 0.327 | Radius of curvature: r = 92 Å |
Kinked line | 0.431 | Kink angle: alpha = 14° Lengths of straight segments: l1 = 6 bp, l2 = 7 bp |
Double kinked line | 0.369 | Kink angles: alpha1 = 12°, alpha2 = 14° Twist angle: omega = 76° Lengths of straight segments: l1 = 5 bp, l2 = 5 bp, l3 = 3 bp |