2EWW

Crystal Structure of the Pilus Retraction Motor PilT and Bound ATP


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 ATP , pH 7.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6954.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 107.38α = 90
b = 107.38β = 90
c = 68.86γ = 120
Symmetry
Space GroupP 6

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2003-11-01MMAD
21100
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-ID-B0.9794APS14-ID-B
2SYNCHROTRONAPS BEAMLINE 14-ID-B0.9568APS14-ID-B

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
13.22099.50.0797.97481
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)
3.23.37980.2562.91093

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 DIFFRACTIONMADTHROUGHOUT3.219.477481694839597.350.24230.242360.238680.30981RANDOM70.716
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]
-0.52-0.26-0.520.78
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.916
r_dihedral_angle_3_deg21.005
r_dihedral_angle_4_deg15.66
r_dihedral_angle_1_deg5.531
r_angle_refined_deg1.149
r_scangle_it1.019
r_mcangle_it0.641
r_scbond_it0.569
r_mcbond_it0.353
r_nbtor_refined0.304
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.916
r_dihedral_angle_3_deg21.005
r_dihedral_angle_4_deg15.66
r_dihedral_angle_1_deg5.531
r_angle_refined_deg1.149
r_scangle_it1.019
r_mcangle_it0.641
r_scbond_it0.569
r_mcbond_it0.353
r_nbtor_refined0.304
r_nbd_refined0.207
r_symmetry_vdw_refined0.206
r_symmetry_hbond_refined0.148
r_xyhbond_nbd_refined0.139
r_chiral_restr0.066
r_bond_refined_d0.007
r_gen_planes_refined0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2717
Nucleic Acid Atoms
Solvent Atoms2
Heterogen Atoms31

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
SHARPphasing