6YB8

Human octameric PAICS in complex with CAIR and SAICAR


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP29416 mg/ml PAICS with 5 mM SAICAR; 0.1 M MES/imidazole pH 6.5, 10% w/v PEG 8000, 20% v/v ethylene glycol, 0.02 M sodium L-glutamate, 0.02 M DL-alanine, 0.02 M glycine, 0.02 M DL-lysine HCl, and 0.02 M DL-serine
Crystal Properties
Matthews coefficientSolvent content
2.7855.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.878α = 90
b = 153.922β = 90
c = 223.565γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2018-08-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA1SLSX06SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim 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
12.3647.1599.80.2560.2660.9958.3913.8274352337.375
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.362.5199.21.1521.1950.7751.8114.312

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 REPLACEMENTTHROUGHOUT2h312.3647.1541346217799.780.18020.17730.2354RANDOM39.085
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]
-0.712.44-1.73
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.313
r_dihedral_angle_4_deg19.839
r_dihedral_angle_3_deg15.894
r_dihedral_angle_1_deg6.475
r_angle_other_deg2.34
r_angle_refined_deg1.64
r_chiral_restr0.07
r_bond_other_d0.035
r_bond_refined_d0.012
r_gen_planes_other0.012
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.313
r_dihedral_angle_4_deg19.839
r_dihedral_angle_3_deg15.894
r_dihedral_angle_1_deg6.475
r_angle_other_deg2.34
r_angle_refined_deg1.64
r_chiral_restr0.07
r_bond_other_d0.035
r_bond_refined_d0.012
r_gen_planes_other0.012
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6528
Nucleic Acid Atoms
Solvent Atoms452
Heterogen Atoms146

Software

Software
Software NamePurpose
XSCALEdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction