9V2U | pdb_00009v2u

Human claudin 18.2 in complex with the Fab fragment of Osemitamab (TST001)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.631
f_angle_d0.633
f_chiral_restr0.041
f_plane_restr0.005
f_bond_d0.003
Sample
Human claudin 18.2 in complex with the Fab fragment of Osemitamab (TST001)
Sample Components
Human claudin 18.2
Fab of Osemitamab (TST001)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 2-3 s before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles73763
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)56.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)-100
Maximum Defocus (nm)-3000
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
MODEL FITTINGCoot0.9.3
INITIAL EULER ASSIGNMENTRELION5.0
FINAL EULER ASSIGNMENTRELION5.0
CLASSIFICATIONRELION5.0
RECONSTRUCTIONcryoSPARC4.4
MODEL REFINEMENTPHENIX1.19.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION843125