Photoactivation in Bacteriophytochromes, reference (dark) structure for the 3 ps time point
X-RAY DIFFRACTION
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6PTQ | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | BATCH MODE | 291 | Hampton Crystal Screen Cryo HR2-122, #9 (PEG 4000), benzamidine HCl (3%) | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.76 | 55.42 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 83.58 | α = 90 |
| b = 83.04 | β = 107.74 |
| c = 86.79 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
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 | SLAC ePix10k 2M | 2022-02-25 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE MFX | 1.3 | SLAC LCLS | MFX |
Serial Crystallography
| Sample delivery method | ||
|---|---|---|
| Diffraction ID | Description | Sample Delivery Method |
| 1 | Superlube (viscous media) | injection |
| Measurement | |||||
|---|---|---|---|---|---|
| Diffraction ID | Pulse Duration | Pulse Repetition Rate | Focal Spot Size | Pulse Energy | Photons Per Pulse |
| 1 | 40 (fs) | 120 | 5 | 9.3 (KeV) | |
| Injection | |||||||
|---|---|---|---|---|---|---|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
| 1 | viscous media injector | undefined (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 | 2.3 | 30.5 | 100 | 0.99 | 0.095 | 5.8 | 963 | 50738 | 63.63 | ||||||||||
| 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 | 2.3 | 2.43 | 100 | 0.11 | 0.22 | 664 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 2.3 | 27.3 | 0.03 | 43709 | 2222 | 86.78 | 0.1939 | 0.1908 | 0.1908 | 0.2509 | 0.2509 | 74.67 | |||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 17.5316 |
| f_angle_d | 1.0997 |
| f_chiral_restr | 0.0497 |
| f_plane_restr | 0.0111 |
| f_bond_d | 0.0083 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7322 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 61 |
| Heterogen Atoms | 95 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| Coot | model building |














