8HLB

Cryo-EM structure of biparatopic antibody Bp109-92 in complex with TNFR2


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.6305
f_angle_d0.6719
f_chiral_restr0.0439
f_plane_restr0.0054
f_bond_d0.0029
Sample
Cryo-EM structure of biparatopic antibody Bp109-92 in complex with TNFR2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles100391
Reported Resolution (Å)3.63
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (3ALQ)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelJEOL CRYO ARM 300
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelJEOL CRYOSPECPORTER
Nominal Magnification60000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM3.8
CTF CORRECTIONcryoSPARC3.3.2
MODEL FITTINGUCSF Chimera1.15
INITIAL EULER ASSIGNMENTcryoSPARC3.3.2
FINAL EULER ASSIGNMENTcryoSPARC3.3.2
RECONSTRUCTIONcryoSPARC3.3.2
MODEL REFINEMENTPHENIX1.19.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2218071