9XIY | pdb_00009xiy

Structure of the CX3CL1.44-US28-GqiN18-scFv16 in the T2C-state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 
experimental modelPDB 7RKF 
experimental modelPDB 4XT1 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.5803
f_angle_d0.469
f_chiral_restr0.0404
f_plane_restr0.0035
f_bond_d0.0025
Sample
CX3CL1.44-activated us28 bound to Gq trimer with scFv fiducial
Sample Components
Gq trimer
CX3CL1.44-US28
scFv16
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles70394
Reported Resolution (Å)2.86
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7RKF, 7RKF, 7RKF, 4XT1, 4XT1)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.6
MODEL REFINEMENTPHENIX2.0_5936
CTF CORRECTIONcryoSPARC4.6
INITIAL EULER ASSIGNMENTcryoSPARC4.6
FINAL EULER ASSIGNMENTcryoSPARC4.6
CLASSIFICATIONcryoSPARC4.6
RECONSTRUCTIONcryoSPARC4.6
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONCryoSPARC patch CTF estimation and global/local CTF refinements8400483initial particles that appeared to be protein