2P6U

Apo structure of the Hel308 superfamily 2 helicase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.62930.1 M NaCitrate pH 5.6; 1 M (NH4)2PO4; 15% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.9768.99

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 136.15α = 90
b = 136.15β = 90
c = 230.82γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2006-02-12MSINGLE WAVELENGTH
21x-ray100CCDADSC QUANTUM 2102006-02-12MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA1.0SLSX06SA
2SYNCHROTRONESRF BEAMLINE ID290.9797, 0.9795ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
1,23.142046.50.0860.0812228311
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.14940.7550.19662.2

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMAD3.1420239022283218771062930.230.27657.613
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]
7.898-10.9427.898-15.796
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.068
c_mcangle_it2.622
c_scbond_it1.805
c_angle_d1.656
c_mcbond_it1.469
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5318
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms50

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
XDSdata scaling
XDSdata reduction
XSCALEdata scaling
SHARPphasing