8FAQ
Structure of Hemagglutinin from Influenza A/Victoria/22/2020
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4WE8 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 291.15 | 50% PEG-200, 0.1M citrate pH 5.5, final pH 6.9 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.39 | 63.7 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 99.705 | α = 90 |
b = 99.705 | β = 90 |
c = 395.31 | γ = 120 |
Symmetry | |
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Space Group | H 3 2 |
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 EIGER X 9M | 2021-12-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.12723 | APS | 21-ID-D |
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 | 2.035 | 79.252 | 98.6 | 0.077 | 0.079 | 0.999 | 21.6 | 20.4 | 48446 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.035 | 2.071 | 98 | 1.642 | 0.865 | 2.2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (All) | R-Work | R-Free | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | NONE | 2YP4 | 2.035 | 79.252 | 48446 | 2400 | 98.556 | 0.204 | 0.2028 | 0.2291 | 54.981 |
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] | |
-0.005 | -0.003 | -0.005 | 0.016 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.247 |
r_dihedral_angle_3_deg | 15.356 |
r_dihedral_angle_4_deg | 14.224 |
r_lrange_it | 8.29 |
r_scangle_it | 6.968 |
r_dihedral_angle_1_deg | 6.933 |
r_scbond_it | 5.072 |
r_mcangle_it | 4.935 |
r_mcbond_it | 3.901 |
r_angle_refined_deg | 1.473 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3941 |
Nucleic Acid Atoms | |
Solvent Atoms | 139 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
autoPROC | data reduction |
XDS | data scaling |
PHENIX | phasing |