3UMS

Crystal structure of the G202A mutant of human G-alpha-i1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION6.5291Protein: 10-20 mg/mL in 50 mM HEPES, pH 8.0, 1 mM EDTA, 100 microM GDP, 5 mM DTT, well solution: 1.8-2.2 M ammonium sulfate, 0.1M sodium acetate, pH 6.0, VAPOR DIFFUSION, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.160.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 121.531α = 90
b = 121.531β = 90
c = 67.909γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV2007-02-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.54

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
12.3431.5894.50.07127.74.21979919799-3-346.56
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)
12.342.3667.40.89823.9341

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUTPDB entry 1GDD2.34331.5791.341979219792118394.580.18310.18030.2277Random52.4
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.732
f_angle_d1.078
f_chiral_restr0.057
f_bond_d0.008
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2690
Nucleic Acid Atoms
Solvent Atoms126
Heterogen Atoms34

Software

Software
Software NamePurpose
CrystalCleardata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling