8DGG
Structure of glycosylated LAG-3 homodimer
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.1 | 289 | 0.1M Tris, 0.05M L-Arginine, 0.05M L-Glutamic acid monosodium salt hydrate, 14% PEG4000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.3 | 62.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 71.69 | α = 90 |
b = 97.67 | β = 90 |
c = 174.49 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS EIGER2 XE 16M | KB focusing mirrors | 2020-09-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-1 | 0.97946 | SSRL | BL12-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | 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 | 3.78 | 39.32 | 99.8 | 0.128 | 0.13 | 1 | 18.74 | 40.084 | 12782 | 181.762 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 3.78 | 3.88 | 100 | 4.042 | 4.091 | 0.539 | 1.48 | 42.473 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | Manually corrected model from AlphaFold | 3.78 | 39.32 | 12142 | 640 | 99.84 | 0.2584 | 0.2553 | 0.3153 | RANDOM | 231.528 |
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] | |
-7.06 | 0.61 | 6.46 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 15.878 |
r_dihedral_angle_2_deg | 8.202 |
r_dihedral_angle_1_deg | 6.868 |
r_angle_refined_deg | 1.002 |
r_angle_other_deg | 0.298 |
r_chiral_restr | 0.044 |
r_bond_refined_d | 0.003 |
r_gen_planes_refined | 0.003 |
r_bond_other_d | 0.001 |
r_gen_planes_other | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4859 |
Nucleic Acid Atoms | |
Solvent Atoms | 11 |
Heterogen Atoms | 179 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
PHASER | phasing |