Crystal structure of rsEGFP2 in the non-fluorescent off-state determined by serial femtosecond crystallography at room temperature
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 6T39 | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | BATCH MODE | 8 | 293 | 100 mM HEPES pH 8.0, 2 M ammonium sulphate |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.05 | 39.88 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 51.74 | α = 90 |
| b = 63.09 | β = 90 |
| c = 71.53 | 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 | 277.15 | PIXEL | CS-PAD CXI-1 | | 2016-06-24 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.362 | SLAC LCLS | CXI |
Serial Crystallography
| Sample delivery method |
|---|
| Diffraction ID | Description | Sample Delivery Method |
|---|
| 1 | | injection |
Data Collection
| Overall |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.7 | 17.21 | 100 | 0.068 | 10 | 835 | | 27394 | | | |
| Highest Resolution Shell |
|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Split (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) |
|---|
| 1 | 1.7 | 1.74 | 100 | | 0.563 | 1.9 | 548 | |
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 | 6T39 | 1.7 | 17.21 | 25154 | 1214 | 99.87 | 0.1813 | 0.1797 | 0.19 | 0.2147 | 0.22 | RANDOM | 21.603 |
| 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] |
|---|
| -0.77 | | | 0.43 | | 0.34 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 33.779 |
| r_dihedral_angle_3_deg | 15.828 |
| r_dihedral_angle_1_deg | 15.274 |
| r_dihedral_angle_4_deg | 14.308 |
| r_angle_refined_deg | 1.728 |
| r_angle_other_deg | 1.385 |
| r_chiral_restr | 0.084 |
| r_bond_refined_d | 0.011 |
| r_gen_planes_refined | 0.009 |
| r_gen_planes_other | 0.004 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 33.779 |
| r_dihedral_angle_3_deg | 15.828 |
| r_dihedral_angle_1_deg | 15.274 |
| r_dihedral_angle_4_deg | 14.308 |
| r_angle_refined_deg | 1.728 |
| r_angle_other_deg | 1.385 |
| r_chiral_restr | 0.084 |
| r_bond_refined_d | 0.011 |
| r_gen_planes_refined | 0.009 |
| r_gen_planes_other | 0.004 |
| r_bond_other_d | 0.002 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 1905 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 177 |
| Heterogen Atoms | |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHASER | phasing |
| Coot | model building |