Crystal structure of YdaL, a stand-alone small MutS-related protein from Escherichia coli
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6 | 289 | 1.5M ammonium sulfate, 0.1M Bis-Tris, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
| 2 | VAPOR DIFFUSION, HANGING DROP | 6 | 289 | 1.5M ammonium sulfate, 0.1M Bis-Tris, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 95.517 | α = 90 |
| b = 34.833 | β = 90 |
| c = 40.698 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
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 | RAYONIX MX225HE | 2010-01-31 | M | SINGLE WAVELENGTH | ||||||
| 2 | 2 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2010-05-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 0.9790 | SPring-8 | BL41XU |
| 2 | SYNCHROTRON | SSRF BEAMLINE BL17U | 1.5028 | SSRF | BL17U |
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 | |||||||
| 1,2 | 2.3 | 50 | 100 | 0.061 | 0.064 | 24.3 | 5.9 | 6306 | 6306 | 1 | 1 | ||||||||
| 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) | ||||||||||
| 1,2 | 2.3 | 2.38 | 98.2 | 0.169 | 0.242 | 8.26 | 5.5 | 587 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | SAD, MOLECULAR REPLACEMENT | THROUGHOUT | 2.3 | 47.76 | 6306 | 6306 | 323 | 0.22516 | 0.22516 | 0.22415 | 0.22 | 0.24358 | 0.2 | RANDOM | 29.485 | ||||
| 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] | |
| -0.89 | 0.07 | 0.82 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.297 |
| r_dihedral_angle_4_deg | 22.424 |
| r_dihedral_angle_3_deg | 17.487 |
| r_dihedral_angle_1_deg | 5.877 |
| r_angle_refined_deg | 1.367 |
| r_chiral_restr | 0.103 |
| r_bond_refined_d | 0.013 |
| r_gen_planes_refined | 0.006 |
| r_bond_other_d | |
| r_angle_other_deg | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1043 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 21 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CrystalClear | data collection |
| PHENIX | model building |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALA | data scaling |
| PHENIX | phasing |














