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Title | HUMAN DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX | |
PDB code | 1K4S (PDB summary) | |
NDB code | PD0255 (NDB atlas) | |
Duplex length | 10 base pairs | |
Protein | DNA topoisomerase I (EC 5.99.1.2), Topoisomerase I |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.014 | |
Straight line (x-axis) | 0.081 | |
Arc | 0.103 | Radius of curvature: r = 464 Å |
Kinked line | 0.153 | Kink angle: alpha = 2° Lengths of straight segments: l1 = 3 bp, l2 = 7 bp |