6Q2Y
Crystal structure of NDM-1 beta-lactamase in complex with broad spectrum boronic inhibitor cpd3
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.3 | 293 | 0.3 M MgCl2 exahydrate; 0.3 M CaCl2 dihydrate; 25% w/v PEG 3350; 25% w/v MPD; 20% v/v PEG 1000; 0.1 M MES/IMIDAZOLE |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.96 | 37.11 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 70.425 | α = 90 |
| b = 73.95 | β = 90 |
| c = 77.687 | 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 PILATUS3 6M | 2018-02-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.97 | ESRF | ID29 |
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 | 53.56 | 97.24 | 0.059 | 0.999 | 14.12 | 5.7 | 212200 | 7.44 | ||||||||||
| 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 | 1.036 | 77.39 | 0.377 | 0.717 | 2.15 | 2.6 | ||||||||||||
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 | 5GZU | 1 | 53.62 | 201126 | 11074 | 97.21 | 0.16643 | 0.16593 | 0.17572 | RANDOM | 10.13 | ||||||
| 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] | |
| -0.05 | -0.05 | 0.09 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.589 |
| r_dihedral_angle_4_deg | 19.97 |
| r_dihedral_angle_3_deg | 13.564 |
| r_dihedral_angle_1_deg | 6.459 |
| r_long_range_B_refined | 3.949 |
| r_scbond_it | 2.132 |
| r_angle_refined_deg | 1.987 |
| r_mcangle_it | 1.895 |
| r_mcbond_it | 1.259 |
| r_chiral_restr | 0.114 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3420 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 286 |
| Heterogen Atoms | 53 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| xia2 | data reduction |
| Aimless | data scaling |
| PHASER | phasing |
