2WLM
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 KIRBAC3.1, 8MG/ML 150MM KCL 20MM BACL2 4MM LDAO 0.05% TDM 0.2MM PI(4,5)P2 PROTEIN AND PRECIPITANT WERE COMBINED IN A 1:1 RATIO AND EQUILIBRATED AGAINST A RESERVOIR OF PRECIPITANT IN A SITTING DROP VAPOUR DIFFUSION SET UP. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.6 | 73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 99.261 | α = 90 |
b = 151.193 | β = 90 |
c = 294.757 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | 2008-11-10 | 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 | 3.6 | 50 | 94.7 | 0.13 | 12 | 6.3 | 25733 | -3 | 81.82 |
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 | 3.6 | 3.73 | 92 | 0.46 | 3.8 | 6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 1XL4 | 3.61 | 19.971 | 1.34 | 24190 | 1233 | 93.73 | 0.2645 | 0.2632 | 0.26 | 0.2881 | 0.29 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-8.6718 | -38.7497 | -21.7882 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 17.403 |
f_angle_d | 1.035 |
f_chiral_restr | 0.066 |
f_bond_d | 0.006 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8609 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |