6IFA
Structure of beta-trefoil lectin from Entamoeba histolytica
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 289.15 | 20% iso-propanol, 0.1M MES monohydrate, pH 6.0, 20% PEG monomethyl ether 2000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.77 | 55.52 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 101.732 | α = 90 |
b = 101.732 | β = 90 |
c = 183.996 | γ = 90 |
Symmetry | |
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Space Group | I 4 2 2 |
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 PILATUS3 2M | 2018-07-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE MASSIF-1 | 0.9660 | ESRF | MASSIF-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 1.9 | 46 | 99.9 | 0.99 | 13.88 | 13.23 | 38368 | 27.15 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.9 | 2.01 | 99.8 | 0.84 | 1.75 | 12.43 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 1.9 | 46 | 38304 | 1917 | 99.8 | 0.1962 | 0.194 | 0.2364 | 31.51 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 8.5465 |
f_angle_d | 0.8013 |
f_chiral_restr | 0.0608 |
f_bond_d | 0.0067 |
f_plane_restr | 0.0053 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3027 |
Nucleic Acid Atoms | |
Solvent Atoms | 171 |
Heterogen Atoms | 66 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
REFMAC | refinement |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |