3SPC

Inward rectifier potassium channel Kir2.2 in complex with dioctanoylglycerol pyrophosphate (DGPP)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3JYCPDB ENTRY 3JYC

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1HANGING DROP, VAPOR DIFFUSION76.2% PEG400, 0.5 M potassium chloride, 0.1 M HEPES, pH 7.0, HANGING DROP, VAPOR DIFFUSION
Crystal Properties
Matthews coefficientSolvent content
4.1770.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.904α = 90
b = 82.904β = 90
c = 191.159γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152011-02-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.0NSLSX29A

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
12.45161000.14611.74.8233413
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.452.61002.24.8

Refinement

Statistics
Diffraction IDStructure Solution 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 DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 3JYC2.45415.65722164112094.580.19440.19290.2237R-Free values were generated from PDB entry 3JYC and extended to higher resolution frames.
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]
4.70794.7079-9.4158
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.018
f_angle_d0.882
f_chiral_restr0.064
f_bond_d0.011
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2605
Nucleic Acid Atoms
Solvent Atoms88
Heterogen Atoms34

Software

Software
Software NamePurpose
CBASSdata collection
PHENIXrefinement