7LUA

Cryo-EM structure of DH898.1 Fab-dimer bound near the CD4 binding site of HIV-1 Env CH848 SOSIP trimer


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.112
f_angle_d1.944
f_chiral_restr0.107
f_plane_restr0.016
f_bond_d0.014
Sample
Cryo-EM structure of DH898.1 Fab-dimer bound near the CD4 binding site of HIV-1 Env CH848 SOSIP trimer.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Detailsblot for 2.5 seconds before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles59012
Reported Resolution (Å)4.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)62
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLatitude
CTF CORRECTIONcryoSPARC
MODEL FITTINGUCSF Chimera
MODEL FITTINGCoot
MODEL REFINEMENTCoot
MODEL REFINEMENTPHENIX
MODEL REFINEMENTISOLDE
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION