Crystal structure of Arabidopsis thaliana 5-enol-pyruvyl-shikimate-3-phosphate synthase (EPSPS) in open conformation
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3NVS | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 292 | 75% of Index G12 (0.2 M Magnesium chloride hexahydrate 0.1 M HEPES pH 7.5 25% w/v Polyethylene glycol 3,350) + 10 mM glyphosate 2+2 drop Cryoprotection: Index G12+20% ethylene glycol; 0.5 ul of 200 mM glyphosate was added to 10 ul of cryo solution |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.41 | 48.88 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 108.41 | α = 90 |
| b = 108.41 | β = 90 |
| c = 156.81 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 4 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER X 16M | 2018-10-20 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0000 | APS | 22-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | 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 | 1.4 | 80 | 99.9 | 0.066 | 0.999 | 21.8 | 18.5 | 92087 | 22.24 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.4 | 1.48 | 99.7 | 1.4 | 0.784 | 2.1 | 18.7 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3nvs | 1.4 | 47.08 | 1.35 | 92074 | 1012 | 99.91 | 0.1521 | 0.1517 | 0.15 | 0.1898 | 0.19 | 31.48 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 12.6966 |
| f_angle_d | 1.013 |
| f_chiral_restr | 0.0936 |
| f_plane_restr | 0.0114 |
| f_bond_d | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3327 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 478 |
| Heterogen Atoms | 2 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| PHASER | phasing |
| XDS | data scaling |














