2WKQ

Structure of a photoactivatable Rac1 containing the Lov2 C450A Mutant


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MH1PDB ENTRIES 1MH1, 2VOU
experimental modelPDB 2VOUPDB ENTRIES 1MH1, 2VOU

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1100 MM POTASSIUM CHLORIDE, 5% (W/V) PEG 4000
Crystal Properties
Matthews coefficientSolvent content
3.4664.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.638α = 90
b = 112.638β = 90
c = 69.306γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH MX-2252008-09-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

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
11.65099.80.0626.515.466895218.79
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)
11.61.6599.50.455.812.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRIES 1MH1, 2VOU1.639.887266891331099.840.16950.16860.186523.3
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]
1.95671.9567-3.9133
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.217
f_angle_d1.311
f_chiral_restr0.085
f_bond_d0.009
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2517
Nucleic Acid Atoms
Solvent Atoms397
Heterogen Atoms75

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing