5E3J

The response regulator RstA is a potential drug target for Acinetobacter baumannii


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MVO 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5293crystallization drop contained 2 ul of purified RstA1-130 (in 20 mM Tris-HCl pH 8.0, 200 mM NaCl, and 1 mM DTT) at 11.25 mg/ml plus 2 ul of reservoir solution against 1 ml of reservoir; crystallization cocktail: 20%(v/v) PEG 400, 20%(v/v/) glycerol, 100 mM Tris-HCl, pH 8.5, and 150 mM NaCl
Crystal Properties
Matthews coefficientSolvent content
2.5752.15

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.015α = 90
b = 52.015β = 90
c = 197.861γ = 120
Symmetry
Space GroupP 65

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2009-06-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.97946SSRLBL9-2

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
12.15099.30.08620.510.81758024.1
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)
12.12.1894.30.4014.46.51668

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1MVO2.129.731.3717510122999.380.16560.16330.1947Random Selection
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.39
f_angle_d0.832
f_chiral_restr0.029
f_plane_restr0.005
f_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1908
Nucleic Acid Atoms
Solvent Atoms181
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
Blu-Icedata collection
SCALEPACKdata scaling
MOLREPphasing
PDB_EXTRACTdata extraction
DENZOdata reduction