5FTE

Crystal structure of Pif1 helicase from Bacteroides in complex with ADP-AlF3 and ssDNA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5FTBPDB ENTRY 5FTB

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.10.1M HEPES PH 7.1 3.5M SODIUM FORMATE 5% GLYCEROL 0.01M SPERMIDINE
Crystal Properties
Matthews coefficientSolvent content
3.2762.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.743α = 90
b = 86.743β = 90
c = 149.222γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77PIXELDECTRIS PILATUS 6M2015-10-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRF BEAMLINE BL18U1SSRFBL18U1

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
13.1975.121000.1115.629.8113032107.86
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)
13.193.31001.062.5910.2

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 ENTRY 5FTB3.1975.1221.341130256899.90.22410.22120.2793
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_d16.325
f_angle_d0.732
f_chiral_restr0.046
f_plane_restr0.004
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3464
Nucleic Acid Atoms120
Solvent Atoms
Heterogen Atoms32

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing