3V8G
Crystal structure of an asymmetric trimer of a glutamate transporter homologue (GltPh)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 277 | 20 - 25% PEG 350 MME, 0.1 M MES, pH 6.5, 250-450 mM CaCl2, 5% ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.65 | 73.55 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 203.692 | α = 90 |
| b = 119.627 | β = 113.77 |
| c = 223.415 | 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 | 100 | CCD | ADSC QUANTUM 315 | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 4.65 | 89 | 72 | 51604 | 37155 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 4.66 | 15 | 24282 | 17755 | 997 | 73.12 | 0.25731 | 0.25526 | 0.29374 | RANDOM | 283.463 | ||||||
| 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] | |
| -1.04 | 3.65 | -2.77 | 6.76 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 27.294 |
| r_dihedral_angle_3_deg | 17.762 |
| r_dihedral_angle_4_deg | 11.059 |
| r_dihedral_angle_1_deg | 5.866 |
| r_scangle_it | 1.747 |
| r_angle_refined_deg | 1.135 |
| r_scbond_it | 0.88 |
| r_mcangle_it | 0.545 |
| r_mcbond_it | 0.263 |
| r_chiral_restr | 0.071 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 17972 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 66 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| ADSC | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
