4UMC
Structural analysis of substrate-mimicking inhibitors in complex with Neisseria meningitidis 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase - the importance of accommodating the active site water
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4HSN | PDB ENTRY 4HSN |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7.3 | pH 7.3 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.51 | 51.11 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 73.421 | α = 90 |
| b = 137.013 | β = 96.48 |
| c = 76.476 | 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 | 110 | CCD | ADSC CCD | 2013-07-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | Australian Synchrotron | MX1 | |
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 | 2.34 | 46.88 | 99.9 | 0.15 | 8 | 3.8 | 63250 | 1.1 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 2.34 | 2.4 | 99.8 | 1.1 | 3.8 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | PDB ENTRY 4HSN | 2.34 | 75.99 | 60016 | 3205 | 99.88 | 0.20397 | 0.20255 | 0.23038 | RANDOM | 38.24 | ||||||
| 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] | |
| 0.29 | 0.08 | -0.15 | -0.15 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.266 |
| r_dihedral_angle_4_deg | 15.462 |
| r_dihedral_angle_3_deg | 13.392 |
| r_dihedral_angle_1_deg | 5.13 |
| r_mcangle_it | 1.604 |
| r_angle_refined_deg | 1.459 |
| r_scbond_it | 1.273 |
| r_angle_other_deg | 1.11 |
| r_mcbond_it | 0.98 |
| r_mcbond_other | 0.979 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 10110 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 263 |
| Heterogen Atoms | 64 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| iMOSFLM | data reduction |
| CCP4 | phasing |
