2ZXE

Crystal structure of the sodium - potassium pump in the E2.2K+.Pi state


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1Dialysis7298pH 7.0, Dialysis, temperature 298K
Crystal Properties
Matthew coefficientSolvent content
3.0860.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 223.815α = 90
b = 50.914β = 105.12
c = 163.786γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315MSINGLE WAVELENGTH
21CCDRAYONIX MX225HE
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.9SPring-8BL41XU

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.45099.10.05838.8177071070074
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.4695.70.3722.85.85155

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT3B8E2.4156615735551000.247720.246440.27124RANDOM59.782
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]
2.05-1.990.01-3.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.775
r_dihedral_angle_4_deg15.787
r_dihedral_angle_3_deg14.955
r_dihedral_angle_1_deg4.084
r_scangle_it1.467
r_angle_refined_deg1.085
r_mcangle_it1.032
r_scbond_it0.863
r_mcbond_it0.564
r_chiral_restr0.068
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.775
r_dihedral_angle_4_deg15.787
r_dihedral_angle_3_deg14.955
r_dihedral_angle_1_deg4.084
r_scangle_it1.467
r_angle_refined_deg1.085
r_mcangle_it1.032
r_scbond_it0.863
r_mcbond_it0.564
r_chiral_restr0.068
r_bond_refined_d0.007
r_gen_planes_refined0.003
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_bond_other_d
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_sphericity_bonded
r_mcbond_other
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_rigid_bond_restr
r_sphericity_free
r_xyhbond_nbd_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10131
Nucleic Acid Atoms
Solvent Atoms130
Heterogen Atoms79

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing