Crystal structure of a putative ethanolamine utilization protein q (eutq, stm2468) from salmonella typhimurium lt2 at 1.90 A resolution
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 9 | 277 | NANODROP, 2.4M (NH4)2SO4, 0.1M Bicine pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.02 | 38.97 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 38.151 | α = 109.99 |
| b = 39.043 | β = 104.79 |
| c = 44.923 | γ = 95.38 |
| Symmetry | |
|---|---|
| Space Group | P 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 | MARMOSAIC 325 mm CCD | Flat mirror (vertical focusing) | 2007-05-03 | M | MAD | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.91837, 0.97901, 0.97929 | SSRL | BL11-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.9 | 28.49 | 97 | 0.096 | 0.096 | 3.4 | 2 | 17651 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1.9 | 1.95 | 96.3 | 0.335 | 0.335 | 0.8 | 2 | 1313 | ||||||||||||
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) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.9 | 28.49 | 17650 | 895 | 97 | 0.175 | 0.173 | 0.18 | 0.224 | 0.23 | RANDOM | 16.245 | |||||
| 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] | |
| -0.57 | -0.93 | -2.29 | -1.2 | 0.02 | 0.44 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.636 |
| r_dihedral_angle_3_deg | 12.659 |
| r_dihedral_angle_4_deg | 10.747 |
| r_scangle_it | 7.082 |
| r_scbond_it | 5.565 |
| r_dihedral_angle_1_deg | 5.291 |
| r_mcangle_it | 3.086 |
| r_mcbond_it | 2.42 |
| r_angle_refined_deg | 1.677 |
| r_angle_other_deg | 1.064 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1913 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 185 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHENIX | refinement |
| SOLVE | phasing |
| MolProbity | model building |
| SCALA | data scaling |
| PDB_EXTRACT | data extraction |
| MAR345 | data collection |
| MOSFLM | data reduction |














