3DT4
The structure of rat cytosolic PEPCK in complex with oxalate and GTP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | hanging drop vapor diffusion | 7.4 | 298 | 12-30% PEG 3350, 0.1M HEPES, 10 MM MNCL2, pH 7.4, hanging drop vapor diffusion, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.25 | 45.41 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 60.454 | α = 90 |
b = 119.759 | β = 96.7 |
c = 87.3 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | CCD | MARMOSAIC 325 mm CCD | Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing) | 2007-12-04 | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.9 | 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 | 1.45 | 100 | 99.8 | 0.08 | 9.5 | 7.1 | 217132 |
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 | 1.45 | 1.5 | 98 | 0.717 | 5.7 | 21289 |
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 | THROUGHOUT | 1.45 | 30.02 | 217074 | 10901 | 99.76 | 0.176 | 0.175 | 0.203 | RANDOM | 11.462 |
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] | |
-0.1 | -0.03 | -0.04 | 0.13 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.066 |
r_dihedral_angle_4_deg | 15.486 |
r_dihedral_angle_3_deg | 13.63 |
r_dihedral_angle_1_deg | 6.038 |
r_scangle_it | 3.918 |
r_scbond_it | 2.471 |
r_angle_refined_deg | 1.601 |
r_mcangle_it | 1.538 |
r_mcbond_it | 0.915 |
r_chiral_restr | 0.111 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 9731 |
Nucleic Acid Atoms | |
Solvent Atoms | 1469 |
Heterogen Atoms | 92 |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |