SFX reaction state structure (20-40min) of alanine racemase
Serial Crystallography (SX)
Starting Model(s)
Initial Refinement Model(s) |
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Type | Source | Accession Code | Details |
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experimental model | PDB | 6Q72 | |
Crystallization
Crystalization Experiments |
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ID | Method | pH | Temperature | Details |
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1 | BATCH MODE | 8.5 | 293 | 100 mM Tris-Cl (pH 8.5), 0.25 M MgCl2, and 25% Peg 4K |
Crystal Properties |
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Matthews coefficient | Solvent content |
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2.44 | 49.64 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 90.2 | α = 90 |
b = 112.9 | β = 114 |
c = 91.8 | γ = 90 |
Symmetry |
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Space Group | P 1 21 1 |
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Diffraction
Diffraction Experiment |
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol |
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1 | 1 | x-ray | 293 | CCD | RAYONIX MX225-HS | | 2021-04-20 | M | SINGLE WAVELENGTH |
Radiation Source |
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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1 | FREE ELECTRON LASER | PAL-XFEL BEAMLINE NCI | 1 | PAL-XFEL | NCI |
Serial Crystallography
Sample delivery method |
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Diffraction ID | Description | Sample Delivery Method |
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1 | | fixed target |
Data Collection
Overall |
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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 |
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1 | 2.3 | 67.32 | 100 | 0.98 | 0.22 | 5.18 | 414.54 | | 147020 | | | |
Highest Resolution Shell |
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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) |
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1 | 2.3 | 2.4 | | | 0.29 | 1.68 | 1.19 | | |
Refinement
Statistics |
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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 |
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X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6Q72 | 2.3 | 67.32 | 1.34 | 146719 | 997 | 99.79 | 0.205 | 0.2046 | 0.2047 | 0.2592 | 0.2596 | |
Temperature Factor Modeling |
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] |
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| | | | | |
RMS Deviations |
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Key | Refinement Restraint Deviation |
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f_dihedral_angle_d | 6.31 |
f_angle_d | 1.054 |
f_chiral_restr | 0.057 |
f_bond_d | 0.009 |
f_plane_restr | 0.008 |
Non-Hydrogen Atoms Used in Refinement |
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Non-Hydrogen Atoms | Number |
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Protein Atoms | 12036 |
Nucleic Acid Atoms | |
Solvent Atoms | 78 |
Heterogen Atoms | 82 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
MxDC | data collection |
CrystFEL | data scaling |
PHENIX | phasing |
CrystFEL | data reduction |