Anion free form of light-driven chloride ion-pumping rhodopsin, NM-R3, structure determined by serial femtosecond crystallography at SACLA
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 5B2N | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | LIPIDIC CUBIC PHASE | | 293 | 100 mM HEPES (pH7.0), 400-700 mM K phosphate, and 24-30% PEG400 |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.98 | 58.79 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 68.4 | α = 90 |
| b = 69.5 | β = 90 |
| c = 231.4 | γ = 90 |
| Symmetry |
|---|
| Space Group | P 21 21 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 | CCD | MPCCD | | 2016-05-10 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | FREE ELECTRON LASER | SACLA BEAMLINE BL3 | 1.771 | SACLA | BL3 |
Serial Crystallography
| Sample delivery method |
|---|
| Diffraction ID | Description | Sample Delivery Method |
|---|
| 1 | | injection |
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 | 2.3 | 46.3 | 100 | 0.984 | 5.41 | 136 | | 50102 | | | |
| 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 | 2.34 | | | 0.473 | | | |
Refinement
| Statistics |
|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 5B2N | 2.3 | 44.46 | 1.97 | 49990 | 2459 | 99.93 | 0.2111 | 0.2096 | 0.21 | 0.241 | 0.22 | 53.833 |
| 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] |
|---|
| | | | | |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 6193 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 70 |
| Heterogen Atoms | 177 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHENIX | phasing |