2V50

The Missing Part of the Bacterial MexAB-OprM System: Structural determination of the Multidrug Exporter MexB


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2J8SPDB ENTRY 2J8S

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.530% PEG400, 50MM NA-ACETATE, 230MM NACL, pH 4.5
Crystal Properties
Matthews coefficientSolvent content
3.6566

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 125.05α = 86.99
b = 134.58β = 69.7
c = 151.02γ = 88.16
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2008-05-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SASLSX06SA

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
135095.70.0415.262.4176904288.33
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)
133.1870.71.72.4

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2J8S349.761.99176904353996.30.2430.2420.287100.94
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]
6.31923.11563.6644.305213.6682-10.6242
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.135
f_angle_d0.965
f_chiral_restr0.066
f_bond_d0.005
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms46348
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms280

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing