Crystal structure of a complete multifunctional pyruvate carboxylase from Rhizobium etli
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | EVAPORATION | 5.6 | 298 | 7.5 mg/mL PC, 2.5 mM ATP-gamma-S, 1 mM ethyl CoA, 280 mM sodium formate, 70 mM sodium acetate, 60 mM calcium chloride, 5.9% PEG 8K, pH 5.6, EVAPORATION, temperature 298K |
| 2 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 298 | 400 mM sodium formate, 80 mM sodium acetate, 80 mM calcium chloride, 14 mM 3-(N,N-Dimethyltetradecylammonio)propanesulfonate, 9% PEG 8K, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 234.729 | α = 90 |
| b = 93.258 | β = 107.33 |
| c = 137.222 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 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 | CCD | SBC-3 | 2006-08-18 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.97907 | APS | 19-BM |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 30 | 96.7 | 0.057 | 20.1 | 4 | 184567 | 184296 | 25.8 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2 | 2.07 | 86 | 0.321 | 3.1 | 3.3 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SAD | THROUGHOUT | 2 | 131.31 | 184296 | 9277 | 96.92 | 0.18 | 0.178 | 0.1781 | 0.223 | 0.2217 | RANDOM | 25.599 | |||||
| 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] | |
| -0.99 | -0.86 | -0.7 | 1.18 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.466 |
| r_dihedral_angle_4_deg | 18.306 |
| r_dihedral_angle_3_deg | 14.836 |
| r_dihedral_angle_1_deg | 6.761 |
| r_scangle_it | 3.187 |
| r_scbond_it | 2.205 |
| r_angle_refined_deg | 1.623 |
| r_mcangle_it | 1.351 |
| r_mcbond_it | 0.893 |
| r_nbtor_refined | 0.308 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 15782 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1318 |
| Heterogen Atoms | 118 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SOLVE | phasing |
| RESOLVE | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data collection |
| DENZO | data reduction |
| SCALEPACK | data scaling |














