2WLH
POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XL4 | PDB ENTRY 1XL4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | PRECIPITANT: 40 % PEG 200 0.2 M SODIUM CHLORIDE 0.1 M SODIUM PHOSPHATE PH 6.0 PROTEIN: 8MG/ML KB3.1 150MM KCL 20MM TRIS PH 8.0 0.05% TDM 4MM LDAO PROTEIN PRECIPITANT COMBINED IN 1:1 RATIO, THEN EQUILIBRATED IN SITTING-DROP VAPOUR-DIFFUSION SET-UP WITH RESERVOIR OF PRECIPITANT. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.24 | 71 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.279 | α = 90 |
b = 106.279 | β = 90 |
c = 90.114 | 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 | CCD | ADSC CCD | MIRRORS | 2008-06-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | Australian Synchrotron | MX1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 3.28 | 50 | 97.6 | 0.11 | 18.8 | 9 | 8448 | -3 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 3.28 | 3.4 | 90.4 | 0.52 | 3 | 6.7 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1XL4 | 3.28 | 15 | 8140 | 497 | 100 | 0.216 | 0.2128 | 0.22 | 0.2659 | 0.27 | SHELLS | 95.905 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
2.605 | 2.605 | -5.21 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.155 |
r_dihedral_angle_4_deg | 24.025 |
r_dihedral_angle_3_deg | 19.151 |
r_mcangle_it | 5.871 |
r_dihedral_angle_1_deg | 5.541 |
r_mcbond_it | 4.264 |
r_scangle_it | 3.947 |
r_scbond_it | 2.29 |
r_angle_refined_deg | 1.329 |
r_chiral_restr | 0.083 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2226 |
Nucleic Acid Atoms | |
Solvent Atoms | 1 |
Heterogen Atoms | 7 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |