4L8N
Crystal structure of a PDZ domain protein (BDI_1242) from Parabacteroides distasonis ATCC 8503 at 2.50 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | 42.00% Ethanol, 0.0500M magnesium chloride, 0.1M TRIS pH 8.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.85 | 56.87 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 104.093 | α = 90 |
b = 104.093 | β = 90 |
c = 96.277 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M | Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing) | 2013-05-24 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.97882,0.91837 | SSRL | BL11-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.5 | 48.138 | 99.5 | 0.067 | 16.46 | 6.55 | 21215 | -3 | 71.778 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.5 | 2.57 | 99.5 | 1.147 | 1.58 | 6.66 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.5 | 48.138 | 21175 | 1077 | 99.53 | 0.1879 | 0.1863 | 0.2195 | RANDOM | 75.5429 |
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] | |
5.1649 | 5.1649 | -10.3298 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_omega_torsion | 3.39 |
t_other_torsion | 3.09 |
t_angle_deg | 1.08 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3575 |
Nucleic Acid Atoms | |
Solvent Atoms | 98 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
MolProbity | model building |
PDB_EXTRACT | data extraction |
SHELX | phasing |
SHARP | phasing |
XSCALE | data scaling |
BUSTER-TNT | refinement |
XDS | data reduction |
SHELXD | phasing |
BUSTER | refinement |