242D
MAD PHASING STRATEGIES EXPLORED WITH A BROMINATED OLIGONUCLEOTIDE CRYSTAL AT 1.65 A RESOLUTION.
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.65 | 25.55 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 17.97 | α = 90 |
b = 30.98 | β = 90 |
c = 44.85 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | IMAGE PLATE | MARRESEARCH | 1993-09-15 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.5 | SRS | PX9.5 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | MAD | 1.65 | 8 | 3151 | 0.17 |
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_angle_d | 3.045 |
n_angle_d | 2.404 |
n_phos_bond_d | 1.542 |
n_bond_d | 1.413 |
n_planar_d | |
n_hb_or_metal_coord | |
n_sugar_bond_it | |
n_sugar_angle_it | |
n_phos_bond_it | |
n_phos_angle_it |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 240 |
Solvent Atoms | 61 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
MLPHARE | phasing |
NUCLSQ | refinement |
DENZO | data reduction |
CCP4 | data scaling |