3FFA

Crystal Structure of a fast activating G protein mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION6293100 mM Sodium Acetate pH 5.9-6.3, 1.8-2.1 M Ammonium Sulphate, VAPOR DIFFUSION, temperature 293K, pH 6.0
Crystal Properties
Matthews coefficientSolvent content
2.3247.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 79.008α = 90
b = 79.008β = 90
c = 105.667γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDADSC QUANTUM 315mirrors2006-11-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.973APS24-ID-C

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
12.357.41000.0835.31746033
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)
2.32.41000.227.35.5

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1AS02.357.4174471656488399.910.188090.184770.25157RANDOM17.176
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]
0.390.20.39-0.59
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.71
r_dihedral_angle_4_deg20.453
r_dihedral_angle_3_deg16.424
r_dihedral_angle_1_deg6.797
r_scangle_it5.418
r_scbond_it3.458
r_mcangle_it1.978
r_angle_refined_deg1.876
r_mcbond_it1.254
r_nbtor_refined0.308
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg40.71
r_dihedral_angle_4_deg20.453
r_dihedral_angle_3_deg16.424
r_dihedral_angle_1_deg6.797
r_scangle_it5.418
r_scbond_it3.458
r_mcangle_it1.978
r_angle_refined_deg1.876
r_mcbond_it1.254
r_nbtor_refined0.308
r_nbd_refined0.224
r_symmetry_vdw_refined0.223
r_xyhbond_nbd_refined0.181
r_symmetry_hbond_refined0.155
r_chiral_restr0.11
r_bond_refined_d0.022
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2538
Nucleic Acid Atoms
Solvent Atoms49
Heterogen Atoms38

Software

Software
Software NamePurpose
ADSCdata collection
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling