4UTO

Crystal structure of pneumococcal surface antigen PsaA D280N in the Cd-bound, open state


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.712.5 % (W/V) PEG 1000, 12.5% (W/V) PEG 3350, 12.5% (V/V) MPD, 0.1 M TRIZMA-BICINE, PH 8.7 AND 0.01 M CDCL2
Crystal Properties
Matthews coefficientSolvent content
2.0740.59

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 39.737α = 106.86
b = 59.292β = 104.9
c = 62.468γ = 93.37
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray193CCDADSC CCD2013-12-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX2Australian SynchrotronMX2

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
11.5519.7396.60.138.63.473161211.35
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)
11.551.6194.80.731.93.4

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-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 3ZKA1.5519.731.967316096.60.1810.21416.53
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_d13.443
f_angle_d1.331
f_chiral_restr0.059
f_plane_restr0.008
f_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4434
Nucleic Acid Atoms
Solvent Atoms510
Heterogen Atoms18

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHENIXphasing