XFEL crystal structure of the human cysteinyl leukotriene receptor 1 in complex with zafirlukast
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 6RZ4 | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | LIPIDIC CUBIC PHASE | 7 | 293 | 75-175 mM sodium phosphate
24-34% v/v PEG400
100 mM HEPES pH 7.0
1 uM zafirlukast |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.46 | 50 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 41.59 | α = 76.31 |
| b = 68.58 | β = 76.68 |
| c = 87.39 | γ = 81.21 |
Diffraction
| Diffraction Experiment |
|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
|---|
| 1 | 1 | x-ray | 293 | PIXEL | CS-PAD CXI-1 | pair of Kirkpatrick-Baez mirrors | 2016-08-21 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.302 | SLAC LCLS | CXI |
Serial Crystallography
| Sample delivery method |
|---|
| Diffraction ID | Description | Sample Delivery Method |
|---|
| 1 | LCP jet | injection |
| Measurement |
|---|
| Diffraction ID | Pulse Duration | Pulse Repetition Rate | Focal Spot Size | Pulse Energy | Photons Per Pulse |
|---|
| 1 | 43 (fs) | 120 | 2.25 | 9.52 (KeV) | |
| Data Reduction |
|---|
| Diffraction ID | Frames Indexed | Crystal Hits | Frames Indexed | Latices Merged |
|---|
| 1 | 30129 | 40720 | 30129 | |
| Injection |
|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
|---|
| 1 | LCP jet | 0.2 (µl/min) | undefined (µm) | | | | |
Data Collection
| Overall |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | R Split (All) | 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 | 2.53 | 20 | 100 | 0.98 | 0.2 | 3.2 | 82.7 | | 30258 | | | 65.2 |
| Highest Resolution Shell |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
|---|
| 1 | 2.53 | 2.62 | 100 | | 0.2 | 2.19 | | 43.2 | |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B |
|---|
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6RZ4 | 2.53 | 19.84 | 30186 | 1508 | 99.7 | 0.191 | 0.189 | 0.22 | 0.223 | 0.25 | RANDOM | 92.66 |
| 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] |
|---|
| -0.0892 | 1.1108 | 2.9794 | 7.8357 | 0.1126 | -7.7465 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| t_other_torsion | 20.24 |
| t_omega_torsion | 2.3 |
| t_angle_deg | 1.08 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_incorr_chiral_ct | |
| t_pseud_angle | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| t_other_torsion | 20.24 |
| t_omega_torsion | 2.3 |
| t_angle_deg | 1.08 |
| t_bond_d | 0.01 |
| t_dihedral_angle_d | |
| t_incorr_chiral_ct | |
| t_pseud_angle | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_improper_torsion | |
| t_chiral_improper_torsion | |
| t_sum_occupancies | |
| t_utility_distance | |
| t_utility_angle | |
| t_utility_torsion | |
| t_ideal_dist_contact | |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 5527 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 10 |
| Heterogen Atoms | 572 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| BUSTER | refinement |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHASER | phasing |