3SPG

Inward rectifier potassium channel Kir2.2 R186A mutant in complex with PIP2


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP727715.7% PEG400, 0.5 M potassium chloride, 0.05 M HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.9168.51

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.865α = 90
b = 81.865β = 90
c = 183.102γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152010-10-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A1.075NSLSX29A

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
12.650880.05913.53.5171653
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)
12.62.771.10.3551.52.2

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)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 3JYC2.61335.906171651590879087.360.19690.19480.2411Rfree was imported from PDB entry 3SPC.
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]
-9.9014-9.9014-37.9386
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.173
f_angle_d1.015
f_chiral_restr0.072
f_bond_d0.009
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2655
Nucleic Acid Atoms
Solvent Atoms40
Heterogen Atoms44

Software

Software
Software NamePurpose
CBASSdata collection
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling