180D
SEQUENCE-DEPENDENT MICROHETEROGENEITY OF Z-DNA: THE CRYSTAL AND MOLECULAR STRUCTURES OF D(CACGCG).D(CGCGTG) AND D(CGCACG).D(CGTGCG)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.8 | pH 6.80, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.61 | 23.71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 17.75 | α = 90 |
b = 17.76 | β = 90 |
c = 42.77 | γ = 120.05 |
Symmetry | |
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Space Group | P 1 1 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 296 | DIFFRACTOMETER | ENRAF-NONIUS CAD4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 2.5 | 10 | 2 | 530 | 0.161 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
n_phos_bond_it | 12.76 |
n_phos_angle_it | 10.21 |
n_sugar_angle_it | 8 |
n_sugar_bond_it | 5.5 |
n_multtor_nbd | 0.093 |
n_phos_bond_d | 0.071 |
n_phos_bond_angle_d | 0.07 |
n_singtor_nbd | 0.069 |
n_chiral_restr | 0.038 |
n_sugar_bond_angle_d | 0.026 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 240 |
Solvent Atoms | 21 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
NUCLSQ | refinement |