6IWV
Crystal structure of a single strand DNA binding protein
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.3 | 293 | 0.1 M Bis-Tris pH 6.3, 1.9 M Ammonium sulfate |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.64 | 53.41 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 116.906 | α = 90 |
| b = 116.906 | β = 90 |
| c = 42.355 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 63 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 77 | CCD | ADSC QUANTUM 315r | 2017-12-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1 | ALS | 8.2.1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rpim I (All) | 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 | 1.52 | 20 | 99.09 | 0.015 | 1 | 94.73 | 22.8 | 26784 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 1.52 | 1.55 | 0.728 | 0.626 | |||||||||||||||
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 | SAD | THROUGHOUT | 1.52 | 20 | 25214 | 1293 | 99.09 | 0.14733 | 0.14568 | 0.17 | 0.18055 | 0.2 | RANDOM | 37.964 | |||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
| 0.37 | 0.19 | 0.37 | -1.22 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.651 |
| r_sphericity_free | 29.018 |
| r_dihedral_angle_3_deg | 14.002 |
| r_dihedral_angle_4_deg | 13.679 |
| r_sphericity_bonded | 13.655 |
| r_long_range_B_refined | 5.339 |
| r_long_range_B_other | 5.082 |
| r_scangle_other | 4.701 |
| r_dihedral_angle_1_deg | 4.689 |
| r_scbond_it | 4.199 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1056 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 121 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-3000 | data collection |
| HKL-3000 | data scaling |
| AutoSol | phasing |
| HKL-3000 | data reduction |
