3R65
MthK channel pore E92Q mutant
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3LDC | PDB ENTRY 3LDC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 293 | 3.0-3.5 M 1,6-Hexandiol, 100 mM MES, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.46 | 49.96 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 63.56 | α = 90 |
b = 63.56 | β = 90 |
c = 43.973 | 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 | MARMOSAIC 300 mm CCD | 2011-02-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-D | 0.9790 | APS | 23-ID-D |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.8 | 31.43 | 90.2 | 0.07 | 29.3 | 9.6 | 7959 | 1 | 1 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.8 | 1.85 | 74.8 | 0.736 | 1.5 | 5.6 | 7953 |
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 | PDB ENTRY 3LDC | 1.8 | 31.43 | 7592 | 367 | 100 | 0.20601 | 0.20504 | 0.2252 | RANDOM | 28.042 |
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] | |
0.68 | 0.68 | -1.37 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 15.822 |
r_dihedral_angle_3_deg | 11.681 |
r_dihedral_angle_4_deg | 9.819 |
r_dihedral_angle_1_deg | 3.849 |
r_scangle_it | 1.93 |
r_scbond_it | 1.149 |
r_angle_refined_deg | 1.087 |
r_mcangle_it | 0.976 |
r_mcbond_it | 0.535 |
r_chiral_restr | 0.072 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 640 |
Nucleic Acid Atoms | |
Solvent Atoms | 49 |
Heterogen Atoms | 4 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
AMoRE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |