7K7I

Density-fitted Model Structure of Antibody Variable Domains of TyTx4 in Complex with PltB pentamer of Typhoid Toxin


ELECTRON MICROSCOPY
Sample
Complex of TyTx4 Fab with Typhoid Toxin Catalytic Inactivated Mutant
Sample Components
Typhoid Toxin Catalytically Inactivated Mutant
TyTx4 Fab
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification Detailsblot for 2.0 second before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles97594
Reported Resolution (Å)3.13
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC5
Map-Model Fitting and Refinement
Id1 (4RHR, 2OZ4, 4M48)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsInitial local fitting was done using Chimera and then Coot was used for rebuilding Fab variable domains into correct sequences. Refinement was perform ...Initial local fitting was done using Chimera and then Coot was used for rebuilding Fab variable domains into correct sequences. Refinement was performed using Real Space Refine in PHENIX and was iterated with manual building in Coot.
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)51.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)800
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification49000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONGctf
MODEL FITTINGCoot0.8.9.1
MODEL REFINEMENTPHENIX1.16-3549
RECONSTRUCTIONRELION3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION