Crystal Structure of Vibrio cholerae PilU, a PilT-dependent Retraction ATPase - Crystal Form 2


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6OJX 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.5292Protein: 15.0 mg/ml, 0.5M Sodium chloride, 1mM TCEP; Screen: AmSO4 (B1), 0.2 M Cadmium sulfate, 2.2 M Ammonium sulfate; Cryo: 2M Lithium sulfate.
Crystal Properties
Matthews coefficientSolvent content
2.141.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 102.835α = 90
b = 120.826β = 90
c = 175.559γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2023-03-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-F0.97872APS21-ID-F

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.7301000.1410.1410.1520.0560.99616.17.530441-341.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.72.751000.5370.6971.87.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.729.5826612138692.070.225090.222740.22180.270180.2724RANDOM48.83
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]
-0.080.83-0.75
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined7.549
r_long_range_B_other7.272
r_dihedral_angle_3_deg3.806
r_scangle_other3.701
r_mcangle_it2.87
r_mcangle_other2.87
r_scbond_it2.345
r_scbond_other2.143
r_mcbond_it1.685
r_mcbond_other1.683
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined7.549
r_long_range_B_other7.272
r_dihedral_angle_3_deg3.806
r_scangle_other3.701
r_mcangle_it2.87
r_mcangle_other2.87
r_scbond_it2.345
r_scbond_other2.143
r_mcbond_it1.685
r_mcbond_other1.683
r_dihedral_angle_1_deg1.33
r_angle_refined_deg1.296
r_dihedral_angle_2_deg0.66
r_angle_other_deg0.471
r_chiral_restr0.066
r_gen_planes_refined0.015
r_gen_planes_other0.013
r_bond_refined_d0.003
r_bond_other_d0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8245
Nucleic Acid Atoms
Solvent Atoms128
Heterogen Atoms275

Software

Software
Software NamePurpose
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling
PHASERphasing