2WKR

Structure of a photoactivatable Rac1 containing the Lov2 C450M 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
118 % (V/V) PEG 600
Crystal Properties
Matthews coefficientSolvent content
3.4664.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.39α = 90
b = 112.39β = 90
c = 69.2γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH MX-2252008-10-11MSINGLE 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
12.25099.50.1111.73.725771222.7
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)
12.22.399.80.52.63.7

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, 2VOU2.232.6011.9925764128199.510.18750.18550.226122.8
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]
2.97922.9792-5.9583
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.917
f_angle_d1.032
f_chiral_restr0.063
f_bond_d0.006
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2524
Nucleic Acid Atoms
Solvent Atoms215
Heterogen Atoms66

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing