3H7X

A transition from strong right-handed to canonical left-handed supercoiling in a conserved coiled coil segment of trimeric autotransporter adhesins - the wildtype structure


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherMODEL FROM SAD

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729325% Peg3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.244.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 39.825α = 90
b = 105.553β = 90.02
c = 44.706γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA1.0SLSX06SA

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
1234.12890.0920.0579.91.921317428
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)
22.12900.360.1973.9523666

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUTMODEL FROM SAD23421317115690.180.251810.249280.29785RANDOM32.982
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]
-18.534.941.01-22.48
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.695
r_dihedral_angle_3_deg24.255
r_dihedral_angle_4_deg19.177
r_dihedral_angle_1_deg7.426
r_scangle_it4.903
r_scbond_it3.199
r_angle_refined_deg2.454
r_mcangle_it1.645
r_mcbond_it0.947
r_chiral_restr0.182
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.695
r_dihedral_angle_3_deg24.255
r_dihedral_angle_4_deg19.177
r_dihedral_angle_1_deg7.426
r_scangle_it4.903
r_scbond_it3.199
r_angle_refined_deg2.454
r_mcangle_it1.645
r_mcbond_it0.947
r_chiral_restr0.182
r_bond_refined_d0.027
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2526
Nucleic Acid Atoms
Solvent Atoms101
Heterogen Atoms

Software

Software
Software NamePurpose
MAR345data collection
SHELXSphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling