Crystal structure of CTX-M-14 S70G:S237A:R276A beta-lactamase at 1.39 Angstroms resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 296 | Ammonium sulfate, PEG 4000 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.03 | 39.27 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 41.742 | α = 90 |
| b = 62.38 | β = 90 |
| c = 86.701 | 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 | 80 | CCD | ADSC QUANTUM 315r | 2011-02-07 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.97 | ALS | 5.0.1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.39 | 25 | 99.9 | 27.5 | 3 | 46446 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | NONE | 1.399 | 24.985 | 44218 | 2228 | 97.32 | 0.1541 | 0.1527 | 0.15 | 0.1813 | 0.18 | ||||||||
| 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] | |
| -2.4863 | 2.7325 | -0.2461 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 11.979 |
| f_angle_d | 1.083 |
| f_chiral_restr | 0.064 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.005 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1956 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 349 |
| Heterogen Atoms | 10 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
