2EWV

Crystal Structure of the Pilus Retraction Motor PilT and Bound ADP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.92935-8 mg/ml protein 30-45% MPD 0.2-0.4 M Ammonium Sulfate Tris, 15mM KCl 75mM 5% glycerol 5-10mM magnesium Chloride 1-5 mM ATPgammaS , pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.7855.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.24α = 90
b = 108.24β = 90
c = 69.14γ = 120
Symmetry
Space GroupP 6

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2003-12-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 32-ID0.9792APS32-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.35079.250.0635.6151671202142
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.3878.90.3172.523.3625

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPilT-ATP2.82011469110925460.18560.2669Random78.35
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]
26.6416.10326.641-53.281
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.39212
c_angle_deg1.51396
c_improper_angle_d0.89598
c_bond_d0.008415
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2717
Nucleic Acid Atoms
Solvent Atoms19
Heterogen Atoms27

Software

Software
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing
TWIN_LSQrefinement