SFX structure of the alanine racemase from Bacillus subtilis
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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2.18 | 43.54 |
Crystal Data
Unit Cell |
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Length ( Å ) | Angle ( ˚ ) |
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a = 87.6 | α = 90 |
b = 108.7 | β = 115 |
c = 89.1 | 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 | 0.979 | 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 | 79.39 | 100 | 0.97 | 0.19 | 7.02 | 335.85 | | 132320 | | | |
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 | | | 0.47 | 1.32 | 1.36 | | |
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 | 79.39 | 1.35 | 132320 | 2761 | 99.98 | 0.1794 | 0.1782 | 0.1785 | 0.2324 | 0.2331 | |
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 | 6.19 |
f_angle_d | 0.939 |
f_chiral_restr | 0.053 |
f_bond_d | 0.008 |
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 | 218 |
Heterogen Atoms | 64 |
Software
Software |
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Software Name | Purpose |
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PHENIX | refinement |
MxDC | data collection |
CrystFEL | data scaling |
PHENIX | phasing |