6MJH
The S31N mutant of the influenza A M2 proton channel in two distinct conformational states
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIPIDIC CUBIC PHASE | 5 | 277 | LCP: monoolein, M2TM S31N monomer, and 50 mM MNG-3-C8 detergent Precipitant solution: 0.2 M NaCl, 0.05 M calcium acetate pH 5.0, 29% v/v PEG 400 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 36.29 | α = 90 |
b = 36.15 | β = 103.6 |
c = 76.45 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 S 6M | 2018-05-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.1158 | ALS | 8.3.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | 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 | 2.06 | 37.15 | 91.1 | 0.062 | 0.997 | 8 | 5.7 | 11019 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 2.06 | 2.12 | 82.6 | 0.476 | 0.666 | 2.1 | 5 |
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 | 3LBW, 5JOO | 2.06 | 35.236 | 1.35 | 10997 | 1099 | 90.32 | 0.2199 | 0.2168 | 0.2485 |
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 | 12.031 |
f_angle_d | 0.573 |
f_chiral_restr | 0.04 |
f_plane_restr | 0.004 |
f_bond_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1584 |
Nucleic Acid Atoms | |
Solvent Atoms | 80 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
iMOSFLM | data reduction |
Aimless | data scaling |
PHASER | phasing |