Crystal structure of the LecB lectin from Pseudomonas aeruginosa in complex with Methyl 6-(2,4,6-trimethylphenylsulfonylamido)-6-deoxy-alpha-D-mannopyranoside
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3DCQ | PDB ENTRY 3DCQ |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 6.5 | 330 MM SODIUM CACODYLATE PH 6.5 200 MM AMMONIUM SULPHATE 30% PEG8K | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.89 | 34.93 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.53 | α = 90 |
| b = 76.98 | β = 90 |
| c = 99.66 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
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 PILATUS 6M | KIRKPATRICK-BAEZ PAIR OF BI-MORPH MIRRORS PLUS CHANNEL CUT CRYOGENICALLY COOLED MONOCHROMATOR CRYSTAL | 2012-09-22 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | SOLEIL | PROXIMA 1 | |
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 | 1.41 | 42.25 | 99.8 | 0.07 | 19.2 | 7.2 | 76102 | 2 | |||||||||||
| 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 | 1.41 | 1.47 | 98.8 | 0.65 | 3.1 | 7 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 3DCQ | 1.41 | 42.24 | 72296 | 3805 | 99.78 | 0.11614 | 0.1146 | 0.13 | 0.14529 | 0.15 | RANDOM | 13.07 | ||||
| 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] | |
| 0.14 | 0.95 | -1.1 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 42.613 |
| r_dihedral_angle_4_deg | 19.432 |
| r_sphericity_free | 17.879 |
| r_dihedral_angle_3_deg | 9.818 |
| r_rigid_bond_restr | 7.724 |
| r_dihedral_angle_1_deg | 6.692 |
| r_sphericity_bonded | 4.798 |
| r_scbond_it | 2.009 |
| r_angle_refined_deg | 1.651 |
| r_angle_other_deg | 1.475 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3308 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 453 |
| Heterogen Atoms | 123 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| PHASER | phasing |
