In-flow serial synchrotron crystallography using a 3D-printed microfluidic device (3D-MiXD): Lysozyme
Serial Crystallography (SX)
Starting Model(s)
| Initial Refinement Model(s) |
|---|
| Type | Source | Accession Code | Details |
|---|
|
experimental model | PDB | 6H79 | |
Crystallization
| Crystalization Experiments |
|---|
| ID | Method | pH | Temperature | Details |
|---|
| 1 | BATCH MODE | 3 | 293 | 30 mg/mL lysozyme in 100 mM NaAc (pH3.0) rapidly mixed in a 1:1 ratio with precipitant (100 mM NaAc pH 3.0, 20% NaCl, 6% PEG 6000) |
| Crystal Properties |
|---|
| Matthews coefficient | Solvent content |
|---|
| 2.14 | 42.65 |
Crystal Data
| Unit Cell |
|---|
| Length ( Å ) | Angle ( ˚ ) |
|---|
| a = 79.7 | α = 90 |
| b = 79.7 | β = 90 |
| c = 38.55 | γ = 90 |
| Symmetry |
|---|
| Space Group | P 43 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 | DECTRIS EIGER X 4M | | 2018-02-13 | M | SINGLE WAVELENGTH |
| Radiation Source |
|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
|---|
| 1 | SYNCHROTRON | ESRF BEAMLINE MASSIF-3 | 0.9686 | ESRF | MASSIF-3 |
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 | undefined (fs) | | | undefined (KeV) | |
| Data Reduction |
|---|
| Diffraction ID | Frames Indexed | Crystal Hits | Frames Indexed | Latices Merged |
|---|
| 1 | 450000 | | 450000 | |
| Injection |
|---|
| Diffraction ID | Description | Flow Rate | Injector Diameter | Injection Power | Injector Nozzle | Filter Size | Carrier Solvent |
|---|
| 1 | 3D-printed microfluidic device | 0.83 (µl/min) | undefined (µm) | | | | crystallization buffer |
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 | 2 | 56.36 | 100 | 0.06 | 6.21 | 625 | | 8876 | | | 31.3 |
| 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 | 2 | 2.08 | 100 | | 0.57 | 1.83 | 448 | |
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 | 6H79 | 2 | 56.36 | 8437 | 404 | 99.98 | 0.15984 | 0.15781 | 0.17 | 0.20117 | 0.21 | RANDOM | 36.959 |
| 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] |
|---|
| -0.38 | | | -0.38 | | 0.75 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 28.477 |
| r_dihedral_angle_4_deg | 24.45 |
| r_dihedral_angle_3_deg | 15.726 |
| r_long_range_B_other | 7.774 |
| r_long_range_B_refined | 7.771 |
| r_dihedral_angle_1_deg | 6.827 |
| r_scangle_other | 6.373 |
| r_scbond_it | 4.179 |
| r_scbond_other | 4.175 |
| r_mcangle_other | 3.663 |
| RMS Deviations |
|---|
| Key | Refinement Restraint Deviation |
|---|
| r_dihedral_angle_2_deg | 28.477 |
| r_dihedral_angle_4_deg | 24.45 |
| r_dihedral_angle_3_deg | 15.726 |
| r_long_range_B_other | 7.774 |
| r_long_range_B_refined | 7.771 |
| r_dihedral_angle_1_deg | 6.827 |
| r_scangle_other | 6.373 |
| r_scbond_it | 4.179 |
| r_scbond_other | 4.175 |
| r_mcangle_other | 3.663 |
| r_mcangle_it | 3.643 |
| r_mcbond_it | 2.972 |
| r_mcbond_other | 2.952 |
| r_angle_refined_deg | 1.584 |
| r_angle_other_deg | 1.384 |
| r_chiral_restr | 0.077 |
| r_bond_refined_d | 0.009 |
| r_gen_planes_refined | 0.007 |
| r_bond_other_d | 0.001 |
| r_gen_planes_other | 0.001 |
| r_nbd_refined | |
| r_nbd_other | |
| r_nbtor_refined | |
| r_nbtor_other | |
| r_xyhbond_nbd_refined | |
| r_xyhbond_nbd_other | |
| r_metal_ion_refined | |
| r_metal_ion_other | |
| r_symmetry_vdw_refined | |
| r_symmetry_vdw_other | |
| r_symmetry_hbond_refined | |
| r_symmetry_hbond_other | |
| r_symmetry_metal_ion_refined | |
| r_symmetry_metal_ion_other | |
| r_scangle_it | |
| r_rigid_bond_restr | |
| r_sphericity_free | |
| r_sphericity_bonded | |
| Non-Hydrogen Atoms Used in Refinement |
|---|
| Non-Hydrogen Atoms | Number |
|---|
| Protein Atoms | 1001 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 49 |
| Heterogen Atoms | 10 |
Software
| Software |
|---|
| Software Name | Purpose |
|---|
| REFMAC | refinement |
| CrystFEL | data reduction |
| CrystFEL | data scaling |
| MOLREP | phasing |