5FQ1

Structure of the cytoplasmic PAS domain of the Geobacillus thermodenitrificans histidine kinase CitA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.70.4 M K2HPO4, 1.6 M NAH2PO4, 0.1 M PHOSPHATE-CITRATE, PH 4.7
Crystal Properties
Matthews coefficientSolvent content
1.9637

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 34.453α = 90
b = 74.036β = 90
c = 75.081γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2012-09-19MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

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
11.7837.5499.30.0910.786.34189992
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)
11.781.8896.50.512.46.14

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUTNONE1.7637.541803491396.480.186450.185010.21647RANDOM29.382
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]
11.66-10.72-0.94
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.692
r_dihedral_angle_3_deg12.692
r_dihedral_angle_4_deg11.174
r_dihedral_angle_1_deg6.314
r_scbond_it4.15
r_mcangle_it3.679
r_mcbond_it2.784
r_mcbond_other2.781
r_angle_refined_deg2.171
r_angle_other_deg1.619
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.692
r_dihedral_angle_3_deg12.692
r_dihedral_angle_4_deg11.174
r_dihedral_angle_1_deg6.314
r_scbond_it4.15
r_mcangle_it3.679
r_mcbond_it2.784
r_mcbond_other2.781
r_angle_refined_deg2.171
r_angle_other_deg1.619
r_chiral_restr0.117
r_bond_refined_d0.019
r_gen_planes_refined0.011
r_bond_other_d0.008
r_gen_planes_other0.007
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_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1667
Nucleic Acid Atoms
Solvent Atoms51
Heterogen Atoms39

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SADABSdata scaling
SHELXCDphasing
SHELXDphasing
SHELXEphasing