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Title | MSX-1 HOMEODOMAIN/DNA COMPLEX STRUCTURE | |
PDB code | 1IG7 (PDB summary) | |
NDB code | PD0211 (NDB atlas) | |
Duplex length | 13 base pairs | |
Protein | Msx-1 Homeodomain, Transcription Factor, DNA binding domain: Alpha-helix, DNA binding domain: Helix-turn-helix, POU domain |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.045 | |
Straight line (x-axis) | 1.189 | |
Arc | 0.190 | Radius of curvature: r = 74 Å |
Kinked line | 0.185 | Kink angle: alpha = 18° Lengths of straight segments: l1 = 8 bp, l2 = 5 bp |
Double kinked line | 0.187 | Kink angles: alpha1 = 12°, alpha2 = 18° Twist angle: omega = -18° Lengths of straight segments: l1 = 7 bp, l2 = 4 bp, l3 = 2 bp |