5EQ2

Crystal Structure of the SrpA Adhesin from Streptococcus sanguinis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5295100 mM Na cacodylate, 0.2 M Ca(CH3CO2)2, 18% PEG 8000. Fully formed crystals were soaked in 2 mM K2OsO4, 5% DMSO overnight
2VAPOR DIFFUSION, SITTING DROP6.5295100 mM Na cacodylate, 0.2 M Ca(CH3CO2)2, 18% PEG 8000. Fully formed crystals were soaked in 2 mM K2OsO4, 5% DMSO overnight
Crystal Properties
Matthews coefficientSolvent content
2.9257.93
2.9257.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 174.522α = 90
b = 46.769β = 102.72
c = 64.761γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2015-02-19MSINGLE WAVELENGTH
22x-ray100CCDMARMOSAIC 300 mm CCD2015-03-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.979APS21-ID-F
2SYNCHROTRONAPS BEAMLINE 21-ID-D1.140APS21-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
11.775099.60.1640.1760.0719.57.34964622.46
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.771.8980.5340.645.62455

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADFREE R-VALUE1.842.561.3547035233498.790.17650.17490.207329.0813
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_d9.941
f_angle_d0.906
f_chiral_restr0.063
f_bond_d0.008
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3047
Nucleic Acid Atoms
Solvent Atoms539
Heterogen Atoms39

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-2000data scaling
SOLVEphasing
PDB_EXTRACTdata extraction
HKL-2000data reduction