Crystal structure of the Orexin-1 receptor in complex with suvorexant at 2.29 A resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 4DJH | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.2 | 284 | 0.1M TRISODIUM CITRATE 50mM SODIUM CHLORIDE 50mM LITHIUM SULPHATE 15-34% PEG400 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 57.9 | α = 90 | 
| b = 158.47 | β = 95.31 | 
| c = 183.62 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | I 1 2 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 | PIXEL | DECTRIS PILATUS3 S 6M | 2012-09-17 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | 0.97949 | Diamond | I24 | 
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 | 2.29 | 44.39 | 92.9 | 0.14 | 0.985 | 4.8 | 5.4 | 45066 | |||||||||||
| 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 | 2.29 | 2.48 | 52.4 | 0.397 | |||||||||||||||
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 | THROUGHOUT | 4DJH | 2.26 | 44.38 | 45066 | 2243 | 58.8 | 0.187 | 0.186 | 0.22 | 0.211 | 0.25 | RANDOM | 46.25 | ||||
| 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] | |
| -3.6696 | 2.5557 | -1.5257 | 5.1952 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| t_other_torsion | 17.27 | 
| t_omega_torsion | 2.81 | 
| t_angle_deg | 1.03 | 
| t_bond_d | 0.01 | 
| t_dihedral_angle_d | |
| t_gen_planes | |
| t_it | |
| t_nbd | |
| t_chiral_improper_torsion | |
| t_ideal_dist_contact | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4828 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 148 | 
| Heterogen Atoms | 785 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| BUSTER | refinement | 
| XDS | data reduction | 
| STARANISO | data scaling | 
| PHASER | phasing | 














