7DDH
Crystal structures of Na+,K+-ATPase in complex with digoxin
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6KPU |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 288 | 16% PEG 2000 MME, 10% GLYCEROL, 200mM MAGNESIUM CHLORIDE, 5mM GSH, 0.1mM DTT, 0.0001% BHT, 100mM MES-NMDG, PH 6.2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
5.72 | 78.51 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 114.973 | α = 90 |
b = 118.493 | β = 90 |
c = 495.137 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 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 | PIXEL | DECTRIS PILATUS3 6M | 2014-03-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL41XU | 0.9 | SPring-8 | BL41XU |
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 | 3.45 | 50 | 55.7 | 0.118 | 8.7 | 6.1 | 49808 | 108.12 |
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 | 3.45 | 3.55 | 0.337 |
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 | 6KPU | 3.46 | 15.99 | 1.6 | 48935 | 2420 | 55.11 | 0.2425 | 0.2409 | 0.2718 | 119.52 |
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 | 17.1299 |
f_angle_d | 0.8595 |
f_chiral_restr | 0.0511 |
f_plane_restr | 0.0081 |
f_bond_d | 0.0048 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 20690 |
Nucleic Acid Atoms | |
Solvent Atoms | 10 |
Heterogen Atoms | 644 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
MOLREP | phasing |
PHENIX | refinement |