5EGI

Structure of a Trimeric Intracellular Cation channel from C. elegans with bound Ca2+


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.528820-24% PEG400, 10% glycerol, 50 mM ADA buffer (pH6.5)
Crystal Properties
Matthews coefficientSolvent content
4.5772.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 102.05α = 90
b = 102.05β = 90
c = 279.99γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2M2014-12-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-1A1.1Photon FactoryBL-1A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
13.35099.90.11511.110.52316691.8
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)
13.33.481000.8042.810.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADFREE R-VALUE3.350422303898999.60.26310.2722random selection116.8833
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]
7.4767.476-14.953
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.117
c_mcangle_it3.115
c_scbond_it1.835
c_mcbond_it1.705
c_angle_d1.43
c_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5480
Nucleic Acid Atoms
Solvent Atoms7
Heterogen Atoms217

Software

Software
Software NamePurpose
CNSrefinement
iMOSFLMdata reduction
SCALAdata scaling
AutoSolphasing