Crystal Structure of an Universal Stress Protein Family Protein from Arabidopsis Thaliana At3g01520 with AMP Bound
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 293 | PROTEIN SOLUTION (10 MG/ML PROTEIN, 0.050 M SODIUM CHLORIDE, 0.003 M SODIUM AZIDE, 0.0003 M TCEP, 0.005 MES PH 7.0) MIXED IN A 1:1 RATIO WITH THE WELL SOLUTION (18% PEG 2K, 5% DMSO, 0.10 M PIPES PH 6.5) Crystals cryo-protected with 20% PEG 2K, 0.1 M TRIS PH 8, and a final concentration of 20 % Ethylene glycol, temperature 293K, VAPOR DIFFUSION, HANGING DROP | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.24 | 45 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 63.351 | α = 75.45 |
| b = 65.662 | β = 75.04 |
| c = 73.014 | γ = 66.11 |
| Symmetry | |
|---|---|
| Space Group | P 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 300 mm CCD | HORIZONTAL SAGITALLY FOCUSING 2ND BENT MONOCHROMATOR CRYSTAL, VERTICAL BENT FOCUSING MIRROR | 2005-06-13 | M | SINGLE WAVELENGTH | |||||
| 2 | 1 | |||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-ID | 0.97934 | APS | 22-ID |
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 | 40.7 | 97.2 | 0.058 | 9.913 | 3.7 | 36006 | ||||||||||||
| 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 | 2.59 | 89.4 | 0.239 | 4.406 | 3 | 3309 | ||||||||||||
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 (All) | 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 | 2.461 | 40.7 | 36006 | 1800 | 96.822 | 0.221 | 0.22065 | 0.2185 | 0.2247 | 0.2607 | 0.2598 | Random | 60.244 | ||||
| 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] | |
| -0.171 | -0.933 | 1.28 | 0.245 | -0.48 | 0.262 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.463 |
| r_dihedral_angle_4_deg | 21.711 |
| r_dihedral_angle_3_deg | 17.647 |
| r_dihedral_angle_1_deg | 5.675 |
| r_scangle_it | 2.18 |
| r_angle_refined_deg | 1.501 |
| r_scbond_it | 1.445 |
| r_mcangle_it | 0.942 |
| r_mcbond_it | 0.573 |
| r_chiral_restr | 0.374 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7084 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 13 |
| Heterogen Atoms | 138 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| RESOLVE | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| SHELXE | model building |














