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Title | CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO GROOVE BINDING BY ALPHA HELICES | |
PDB code | 2PUD (PDB summary) | |
NDB code | PDR046 (NDB atlas) | |
Duplex length | 16 base pairs | |
Protein | Purine repressor, Transcription factor, DNA binding domain: Lac I family |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.299 | |
Straight line (x-axis) | 12.932 | |
Arc | 1.501 | Radius of curvature: r = 37 Å |
Kinked line | 0.470 | Kink angle: alpha = 46° Lengths of straight segments: l1 = 8 bp, l2 = 8 bp |
Double kinked line | 0.548 | Kink angles: alpha1 = ill defined, alpha2 = ill defined Twist angle: omega = -54° Lengths of straight segments: l1 = 8 bp, l2 = 0 bp, l3 = 8 bp |