9D3G | pdb_00009d3g

Cryo-EM structure of CCR6 bound by SQA1 and OXM1


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.117
f_angle_d0.853
f_chiral_restr0.049
f_plane_restr0.007
f_bond_d0.004
Sample
CCR6-BRIL/Fab/Nb in complex with SQA1 and OXM1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles482484
Reported Resolution (Å)3.26
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification215000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.3.1
IMAGE ACQUISITIONEPU3.2
CTF CORRECTIONcryoSPARC3.3.1
MODEL FITTINGUCSF ChimeraX1.4
MODEL FITTINGUCSF Chimera1.16
MODEL REFINEMENTPHENIX1.20_4459:
INITIAL EULER ASSIGNMENTcryoSPARC3.3.1
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
CLASSIFICATIONcryoSPARC3.3.1
RECONSTRUCTIONcryoSPARC3.3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION5332464