The structure of rat cytosolic PEPCK variant E89A in complex with oxalic acid and GTP
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 3DT4 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 298 | 25% PEG 3350, 0.1M HEPES PH 7.4, 8MM MNCL2, 10mM GTP | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.27 | 45.85 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 45.699 | α = 90 | 
| b = 119.313 | β = 107.95 | 
| c = 60.821 | γ = 90 | 
| Symmetry | |
|---|---|
| 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 | ADSC QUANTUM 315r | 2011-07-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 0.97 | SSRL | BL7-1 | 
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 | 1.6 | 100 | 98.7 | 0.069 | 16.2 | 5.9 | 80122 | ||||||||||||
| 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 | 1.6 | 1.66 | 91.5 | 0.308 | 5.2 | 7417 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3DT4 | 1.6 | 59.66 | 76005 | 4009 | 98.53 | 0.2068 | 0.2048 | 0.21 | 0.2428 | 0.25 | RANDOM | 22.103 | ||||
| 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] | |
| 0.01 | -0.01 | |||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 34.782 | 
| r_dihedral_angle_4_deg | 15.509 | 
| r_dihedral_angle_3_deg | 13.759 | 
| r_dihedral_angle_1_deg | 6.767 | 
| r_mcangle_it | 2.288 | 
| r_angle_refined_deg | 1.436 | 
| r_mcbond_it | 1.377 | 
| r_mcbond_other | 1.377 | 
| r_angle_other_deg | 0.883 | 
| r_chiral_restr | 0.078 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4802 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 403 | 
| Heterogen Atoms | 74 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| HKL-2000 | data collection | 
| SCALEPACK | data scaling | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| HKL-2000 | data reduction | 
| MOLREP | phasing | 














