4FTF

Structure of the Type II secretion system pilotin AspS from Vibrio cholerae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52950.2M ZINC ACETATE, 20% PEG 3350, pH 7.5, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.1141.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 34.16α = 90
b = 63.86β = 90
c = 47.54γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2012-06-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

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
11.4847.5498.50.08416.171795417689-320.123
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)
11.481.5284.80.9581.43

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.4847.54179541768990798.50.15610.15610.1550.1765RANDOM17.1693
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]
-0.40.59-0.19
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.2
r_dihedral_angle_4_deg10.35
r_dihedral_angle_3_deg9.629
r_dihedral_angle_1_deg5.216
r_angle_refined_deg1.529
r_angle_other_deg0.883
r_chiral_restr0.091
r_bond_refined_d0.013
r_gen_planes_refined0.006
r_bond_other_d0.003
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.2
r_dihedral_angle_4_deg10.35
r_dihedral_angle_3_deg9.629
r_dihedral_angle_1_deg5.216
r_angle_refined_deg1.529
r_angle_other_deg0.883
r_chiral_restr0.091
r_bond_refined_d0.013
r_gen_planes_refined0.006
r_bond_other_d0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms830
Nucleic Acid Atoms
Solvent Atoms169
Heterogen Atoms15

Software

Software
Software NamePurpose
XSCALEdata scaling
SHARPphasing
SOLOMONphasing
REFMACrefinement
PDB_EXTRACTdata extraction
SERGUIdata collection
XDSdata reduction