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Title | CRYSTAL STRUCTURE OF A YEAST TFIIA/TBP/DNA COMPLEX | |
PDB code | 1NH2 (PDB summary) | |
NDB code | PD0369 (NDB atlas) | |
Duplex length | 16 base pairs | |
Protein | TATA-box binding protein (TATA-box factor) (TATA binding factor) (TATA sequence-binding protein) (TBP) (Transcription factor D) (Transcription initiation factor TFIID TBP subunit) large chain (TFIIA 32 kDa subunit) small chain (TFIIA 13.5 kDa subunit), Transcription Factor, DNA binding domain: Alpha-helix|beta-barrel |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.587 | |
Straight line (x-axis) | 9.475 | |
Arc | 1.046 | Radius of curvature: r = 33 Å |
Kinked line | 1.232 | Kink angle: alpha = 45° Lengths of straight segments: l1 = 9 bp, l2 = 7 bp |
Double kinked line | 0.161 | Kink angles: alpha1 = 25°, alpha2 = 38° Twist angle: omega = 70° Lengths of straight segments: l1 = 6 bp, l2 = 4 bp, l3 = 6 bp |