5O64
From macrocrystals to microcrystals: a strategy for membrane protein serial crystallography
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 291 | 1 ml 2.4 M ammonium sulphate reservoir 20 ul sitting drop final concentrations: 5 mg/ml purified reaction center, 1.8 M ammonium sulphate, 10 mM sodium phosphate pH 6.8, 3 % heptane-1,2,3-triol Growth over 3 days at 291 K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.52 | 77.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 226.6 | α = 90 |
| b = 226.6 | β = 90 |
| c = 113.8 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 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 | 291 | PIXEL | CS-PAD CXI-1 | 2014-05-23 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.66 | SLAC LCLS | CXI |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.3 | 48.3 | 100 | 0.994 | 11.1 | 1310 | 42765 | 109 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 3.3 | 3.41 | 100 | 0.264 | 1.06 | 794 | |||||||||||||
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 | 5NJ4 | 3.3 | 46.39 | 42765 | 2294 | 99.94 | 0.15633 | 0.15419 | 0.19582 | RANDOM | 108.894 | ||||||
| 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] | |
| 0.02 | 0.02 | -0.03 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.627 |
| r_dihedral_angle_3_deg | 17.462 |
| r_dihedral_angle_4_deg | 16.601 |
| r_long_range_B_refined | 11.855 |
| r_long_range_B_other | 11.852 |
| r_scangle_other | 9.65 |
| r_mcangle_it | 8.87 |
| r_mcangle_other | 8.87 |
| r_dihedral_angle_1_deg | 6.946 |
| r_scbond_it | 6.457 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 9291 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 30 |
| Heterogen Atoms | 836 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHASER | phasing |
