7U4G
Neuraminidase from influenza virus A/Shandong/9/1993(H3N2)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2AEP |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 291.15 | 8% PEG-8000, 0.1 M Tris pH 8.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.95 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 107.954 | α = 90 |
b = 107.954 | β = 90 |
c = 78.619 | γ = 90 |
Symmetry | |
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Space Group | P 4 21 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 EIGER X 9M | 2021-11-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.1272 | 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 | 1.645 | 76.34 | 96.8 | 0.127 | 0.138 | 0.998 | 11.5 | 9.5 | 54981 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.645 | 1.65 | 0.774 | 0.834 | 0.895 | 2.1 |
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 | 2AEP | 1.65 | 25 | 51828 | 2685 | 96.72 | 0.1894 | 0.1881 | 0.2147 | RANDOM | 19.373 |
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] | |
-2.14 | -2.14 | 4.29 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.314 |
r_dihedral_angle_4_deg | 15.704 |
r_dihedral_angle_3_deg | 13.516 |
r_dihedral_angle_1_deg | 7.801 |
r_angle_refined_deg | 1.21 |
r_chiral_restr | 0.091 |
r_bond_refined_d | 0.005 |
r_gen_planes_refined | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3016 |
Nucleic Acid Atoms | |
Solvent Atoms | 317 |
Heterogen Atoms | 149 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XDS | data reduction |
autoPROC | data scaling |
PHENIX | phasing |