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Title | CRYSTAL STRUCTURE OF HUMAN TOPOISOMERASE I DNA COMPLEX | |
PDB code | 1EJ9 (PDB summary) | |
NDB code | PD0125 (NDB atlas) | |
Duplex length | 22 base pairs | |
Protein | Topoisomerase I, Isomerase |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.040 | |
Straight line (x-axis) | 0.229 | |
Arc | 0.230 | Radius of curvature: r = 1380 Å |
Kinked line | 0.238 | Kink angle: alpha = 3° Lengths of straight segments: l1 = 6 bp, l2 = 16 bp |
Double kinked line | 0.067 | Kink angles: alpha1 = 7°, alpha2 = 6° Twist angle: omega = -166° Lengths of straight segments: l1 = 7 bp, l2 = 6 bp, l3 = 9 bp |