XFEL MT1R structure by ligand exchange from agomelatine to 2-phenylmelatonin.
X-RAY DIFFRACTION
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6ME5 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | LIPIDIC CUBIC PHASE | 293 | 60-100 mM potassium phosphate monobasic, 100 mM HEPES pH 7.0, 32-35% PEG 400, 1 mM of target ligand 2-phenylmelatonin, 2.5% DMSO, 1.5% propan-2-ol. | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.04 | 69.58 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 122.2 | α = 90 |
| b = 122.2 | β = 90 |
| c = 122.6 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 4 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 | 293 | PIXEL | CS-PAD CXI-1 | 2018-11-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.33 | SLAC LCLS | CXI |
Serial Crystallography
| Sample delivery method | ||
|---|---|---|
| Diffraction ID | Description | Sample Delivery Method |
| 1 | injection | |
| Measurement | |||||
|---|---|---|---|---|---|
| Diffraction ID | Pulse Duration | Pulse Repetition Rate | Focal Spot Size | Pulse Energy | Photons Per Pulse |
| 1 | 35 (fs) | 120 | 1.5 | 9.5 (KeV) | |
| Data Reduction | ||||
|---|---|---|---|---|
| Diffraction ID | Frames Indexed | Crystal Hits | Frames Indexed | Latices Merged |
| 1 | 65260 | 87453 | 65260 | |
| Injection | |||||||
|---|---|---|---|---|---|---|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
| 1 | 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 | 3.3 | 30 | 100 | 0.998 | 0.119 | 8.5 | 1663 | 14561 | |||||||||||
| 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 | 3.3 | 3.39 | 0.163 | 3.44 | |||||||||||||||
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-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 6me5 | 3.3 | 30 | 13778 | 728 | 99.75 | 0.2609 | 0.2585 | 0.3075 | 0.2661 | RANDOM | 114.238 | |||||
| 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] | |
| -2.39 | -2.39 | 4.79 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.6 |
| r_dihedral_angle_3_deg | 14.772 |
| r_dihedral_angle_4_deg | 12.841 |
| r_dihedral_angle_1_deg | 5.832 |
| r_angle_refined_deg | 1.109 |
| r_angle_other_deg | 0.907 |
| r_chiral_restr | 0.059 |
| r_bond_refined_d | 0.008 |
| r_gen_planes_refined | 0.005 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3648 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 23 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| PHASER | phasing |
| PDB_EXTRACT | data extraction |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
