224D
DNA-DRUG REFINEMENT: A COMPARISON OF THE PROGRAMS NUCLSQ, PROLSQ, SHELXL93 AND X-PLOR, USING THE LOW TEMPERATURE D(TGATCA)-NOGALAMYCIN STRUCTURE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | pH 6.50, VAPOR DIFFUSION, SITTING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.42 | 64.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.29 | α = 90 |
b = 37.29 | β = 90 |
c = 71.12 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 150 | IMAGE PLATE | MARRESEARCH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 |
Data Collection
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 | 1.4 | 8 | 2 | 9813 | 95.6 | 0.228 | 0.274 |
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 |
p_xhyhbond_nbd | 0.273 |
p_chiral_restr | 0.129 |
p_plane_restr | 0.031 |
p_bond_d | |
p_angle_d | |
p_angle_deg | |
p_planar_d | |
p_hb_or_metal_coord | |
p_mcbond_it | |
p_mcangle_it |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 240 |
Solvent Atoms | 77 |
Heterogen Atoms | 115 |
Software
Software | |
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Software Name | Purpose |
PROLSQ | refinement |