The structure of Egalitarian in complex with the K10 mRNA localization signal reveals a modular binding surface required for function


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelITasser 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION29350 mM sodium citrate, pH 4.8, 30% (w/v) MPD, 10 mM CaCl2, 2.5 mM Spermine
Crystal Properties
Matthews coefficientSolvent content
3.0159.18

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 68.504α = 90
b = 106.799β = 90
c = 139.817γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2020-04-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1SLSX10SA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
13.085099.80.9990.177.0236673
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.083.271.410.702

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEITasser3.0844.481.371962098299.820.24250.24020.24240.29160.2903
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_d16.981
f_angle_d2.026
f_chiral_restr0.11
f_bond_d0.014
f_plane_restr0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3849
Nucleic Acid Atoms1954
Solvent Atoms17
Heterogen Atoms8

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing