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Title | NMR AND MOLECULAR MODELING REVEAL THAT DIFFERENT HYDROGEN BONDING PATTERNS ARE POSSIBLE FOR GU PAIRS: ONE HYDROGEN BOND FOR EACH GU PAIR IN R(GGCGUGCC)2 AND TWO FOR EACH GU PAIR IN R(GAGUGCUC)2 | |
PDB code | 1EKA (PDB summary) | |
NDB code | 1EKA (NDB atlas) | |
Duplex length | 8 base pairs |
Model | sigma2 / Å2 | Geometrical parameters |
Plane | 0.020 | |
Straight line (x-axis) | 0.218 | |
Arc | 0.373 | Radius of curvature: r = 176 Å |
Kinked line | 0.441 | Kink angle: alpha = 13° Lengths of straight segments: l1 = 2 bp, l2 = 6 bp |