Structure of MurA (UDP-N-acetylglucosamine enolpyruvyl transferase), from Vibrio fischeri in complex with substrate UDP-N-acetylglucosamine and the drug fosfomycin.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3LTH | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 298 | 25 %(w/v) PEG 4000, 0.1 M BIS-TRIS pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298 K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.31 | 46.81 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 86.6 | α = 90 |
| b = 118.51 | β = 116.48 |
| c = 92.51 | 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 | CUSTOM-MADE | 2011-10-13 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 4.2.2 | 1.0 | ALS | 4.2.2 |
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 | 1.92 | 27.9 | 97.2 | 0.126 | 4.8 | 3.3 | 122583 | 122583 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | 3LTH | 1.925 | 27.9 | 122583 | 116204 | 6151 | 96.93 | 0.20215 | 0.19906 | 0.2 | 0.2612 | 0.26 | RANDOM | 25.476 | |||
| 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] | |
| -0.44 | -0.66 | 0.14 | -0.29 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.967 |
| r_dihedral_angle_4_deg | 19.212 |
| r_dihedral_angle_3_deg | 17.196 |
| r_dihedral_angle_1_deg | 6.013 |
| r_angle_refined_deg | 1.482 |
| r_chiral_restr | 0.1 |
| r_bond_refined_d | 0.009 |
| r_gen_planes_refined | 0.006 |
| r_bond_other_d | |
| r_angle_other_deg | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 12412 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1171 |
| Heterogen Atoms | 232 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CrystalClear | data collection |
| PHASER | phasing |
| REFMAC | refinement |
| CrystalClear | data reduction |
| SCALA | data scaling |
