7P5A
Variant Surface Glycoprotein 3 (VSG3, MiTat1.3, VSG224) mutant (serine 317 to alanine), single O-linked glycosylated at Ser319
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 295 | 21% PEG 3350, 250mM NaCl, 100mM Tris, pH 8.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 129.396 | α = 90 |
b = 129.396 | β = 90 |
c = 129.396 | γ = 90 |
Symmetry | |
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Space Group | I 21 3 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 2M-F | 2019-08-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06DA | 1.0 | SLS | X06DA |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim 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 | 1.95 | 54.75 | 99.89 | 0.1179 | 0.1198 | 0.0209 | 0.999 | 32.36 | 30.8 | 26355 | 24.43 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.95 | 2.02 | 99.12 | 0.8387 | 0.9312 | 0.3875 | 0.614 | 1.67 | 5.2 |
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 | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 6ELC | 1.95 | 45.75 | 1.75 | 26355 | 1318 | 99.71 | 0.1832 | 0.1816 | 0.2132 | 24.34 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 4.9501 |
f_angle_d | 0.7133 |
f_chiral_restr | 0.0383 |
f_bond_d | 0.0042 |
f_plane_restr | 0.0038 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2529 |
Nucleic Acid Atoms | |
Solvent Atoms | 236 |
Heterogen Atoms | 83 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
xia2 | data reduction |
pointless | data scaling |
PHASER | phasing |