Crystal structure of fatty acid photodecarboxylase in the dark 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 | 6YRU | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | BATCH MODE | 5.5 | 281.15 | 19% (w/v) PEG 4000, 0.1 M sodium citrate pH 5.5, 10 mM spermidine |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.76 | 55.53 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 61.39 | α = 90 |
| b = 60.01 | β = 90.6 |
| c = 182.9 | 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 | 277.15 | PIXEL | CS-PAD CXI-1 | | 2018-11-22 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | FREE ELECTRON LASER | SLAC LCLS BEAMLINE CXI | 1.3 | 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) | 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 | 25 | 100 | 0.982 | 0.151 | 5.6 | 355 | | 93061 | | | |
| 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 | 2 | 2.05 | 100 | | 0.548 | 0.685 | | 236 | |
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 | FREE R-VALUE | 6YRU | 2 | 24.95 | 85938 | 4364 | 99.89 | 0.198 | 0.1963 | 0.2 | 0.2312 | 0.24 | RANDOM | 29.803 |
| 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] |
|---|
| 1.13 | | -1.56 | -1.19 | | 0.09 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 34.365 |
| r_dihedral_angle_4_deg | 17.978 |
| r_dihedral_angle_3_deg | 15.944 |
| r_dihedral_angle_1_deg | 7.206 |
| r_angle_refined_deg | 1.491 |
| r_angle_other_deg | 1.286 |
| r_chiral_restr | 0.066 |
| r_gen_planes_refined | 0.009 |
| r_bond_refined_d | 0.008 |
| r_bond_other_d | 0.001 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 34.365 |
| r_dihedral_angle_4_deg | 17.978 |
| r_dihedral_angle_3_deg | 15.944 |
| r_dihedral_angle_1_deg | 7.206 |
| r_angle_refined_deg | 1.491 |
| r_angle_other_deg | 1.286 |
| r_chiral_restr | 0.066 |
| r_gen_planes_refined | 0.009 |
| r_bond_refined_d | 0.008 |
| r_bond_other_d | 0.001 |
| r_gen_planes_other | 0.001 |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 8417 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 394 |
| Heterogen Atoms | 166 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| PHASER | phasing |
| Coot | model building |