1U4E

Crystal Structure of Cytoplasmic Domains of GIRK1 channel


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1N9PPDB ENTRY 1N9P

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5277ethanol, hepes, magnesium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.244.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.357α = 90
b = 76.357β = 90
c = 92.164γ = 90
Symmetry
Space GroupP 4 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2003-03-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-11.08SSRLBL9-1

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
12.085094.510.0723.026.71703516100
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.082.1573.32

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1N9P2.0991.291527015270813960.196410.196410.194310.23505RANDOM33.928
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]
-1.12-1.122.23
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg9.008
r_scangle_it6.655
r_scbond_it4.212
r_mcangle_it3.268
r_angle_refined_deg2.378
r_mcbond_it1.858
r_angle_other_deg1.161
r_symmetry_vdw_other0.377
r_nbd_other0.272
r_symmetry_vdw_refined0.237
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg9.008
r_scangle_it6.655
r_scbond_it4.212
r_mcangle_it3.268
r_angle_refined_deg2.378
r_mcbond_it1.858
r_angle_other_deg1.161
r_symmetry_vdw_other0.377
r_nbd_other0.272
r_symmetry_vdw_refined0.237
r_nbd_refined0.234
r_xyhbond_nbd_refined0.222
r_symmetry_hbond_refined0.2
r_chiral_restr0.177
r_nbtor_other0.098
r_bond_refined_d0.034
r_gen_planes_refined0.012
r_gen_planes_other0.005
r_bond_other_d0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1599
Nucleic Acid Atoms
Solvent Atoms129
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
AMoREphasing