6PY5

Crystal structure of ligand-binding domain of Pseudomonas fluorescens chemoreceptor CtaA in complex with L-serine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3C8C 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP298Ammonium sulfate and Tris-HCl
Crystal Properties
Matthews coefficientSolvent content
2.6858.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.24α = 90
b = 76.09β = 90
c = 113.29γ = 90
Symmetry
Space GroupI 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210r2015-10-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX10.9537Australian SynchrotronMX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.933.8392.30.0550.0630.0290.99812.73.721256
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.94940.4170.4750.220.8983.8

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3C8C1.933.820204105091.250.19750.19570.2338RANDOM37.973
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]
4.25-1.17-3.08
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.83
r_dihedral_angle_4_deg12.207
r_dihedral_angle_3_deg11.499
r_dihedral_angle_1_deg5.894
r_angle_refined_deg1.48
r_angle_other_deg0.927
r_chiral_restr0.085
r_bond_refined_d0.01
r_gen_planes_refined0.009
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg27.83
r_dihedral_angle_4_deg12.207
r_dihedral_angle_3_deg11.499
r_dihedral_angle_1_deg5.894
r_angle_refined_deg1.48
r_angle_other_deg0.927
r_chiral_restr0.085
r_bond_refined_d0.01
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1644
Nucleic Acid Atoms
Solvent Atoms144
Heterogen Atoms7

Software

Software
Software NamePurpose
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
iMOSFLMdata reduction
PHASERphasing