2D25
C-C-A-G-G-C-M5C-T-G-G; HELICAL FINE STRUCTURE, HYDRATION, AND COMPARISON WITH C-C-A-G-G-C-C-T-G-G
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | MICRODIALYSIS | 7.5 | 277 | pH 7.50, MICRODIALYSIS, temperature 277.00K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.34 | 47.49 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 53.77 | α = 90 |
b = 53.77 | β = 90 |
c = 34.35 | γ = 120 |
Symmetry | |
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Space Group | P 6 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | DIFFRACTOMETER | ENRAF-NONIUS CAD4 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR571 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||||
1 | 1.75 | 8 | 7209 | 4704 | 2 |
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 | 1.75 | 8 | 2 | 3799 | 0.174 |
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_sugar_angle_it | 4.28 |
n_phos_angle_it | 4.05 |
n_phos_bond_it | 2.98 |
n_sugar_bond_it | 2.82 |
n_multtor_nbd | 0.2 |
n_singtor_nbd | 0.143 |
n_chiral_restr | 0.087 |
n_phos_bond_angle_d | 0.064 |
n_phos_bond_d | 0.045 |
n_sugar_bond_angle_d | 0.04 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 404 |
Solvent Atoms | 80 |
Heterogen Atoms | 8 |
Software
Software | |
---|---|
Software Name | Purpose |
NUCLSQ | refinement |