3S3W

Structure of chicken acid-sensing ion channel 1 at 2.6 a resolution and ph 7.5


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3IJ4 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52860.1M Tris-HCL pH7.5, 0.1M ammonium sulfate, VAPOR DIFFUSION, SITTING DROP, temperature 286K
Crystal Properties
Matthews coefficientSolvent content
3.9969.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 110.469α = 90
b = 142.689β = 90
c = 159.736γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2010-08-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1SLSX10SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.64999.80.15660.15668.596.727813968
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.62.799.40.82470.82471.186.61

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT3ij42.647.9371.3377969392099.670.21320.21210.2364random
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]
3.8926-3.0711-0.8215
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.059
f_angle_d0.789
f_chiral_restr0.048
f_bond_d0.003
f_plane_restr0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9548
Nucleic Acid Atoms
Solvent Atoms248
Heterogen Atoms129

Software

Software
Software NamePurpose
PHASERphasing
PHENIXrefinement
XDSdata reduction
SADABSdata scaling