Structure of the ligand binding domain of the ancestral reconstructed Pseudomonas chemoreceptor aPcpI in complex with benzoate


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8293.50.1 M Sodium citrate tribasic dihydrate pH 5.6, 35% v/v tert-Butanol
Crystal Properties
Matthews coefficientSolvent content
3.968

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.919α = 90
b = 93.236β = 93.66
c = 102.618γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 X 6M2024-10-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALBA BEAMLINE XALOC0.97926ALBAXALOC

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
12.2102.4189.80.1010.1190.060.9988.53.435086
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)
12.22.2750.51.9432.5231.5850.4522

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)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)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.251.21.3434741174288.820.20280.2010.20110.2370.2371
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_d17.151
f_angle_d0.414
f_chiral_restr0.03
f_plane_restr0.004
f_bond_d0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3574
Nucleic Acid Atoms
Solvent Atoms133
Heterogen Atoms32

Software

Software
Software NamePurpose
PHENIXrefinement
Aimlessdata scaling
XDSdata reduction
MOLREPphasing
PDB_EXTRACTdata extraction