8A64

cryoEM structure of the catalytically inactive EndoS from S. pyogenes in complex with the Fc region of immunoglobulin G1.


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.917
f_angle_d0.848
f_chiral_restr0.056
f_bond_d0.008
f_plane_restr0.006
Sample
Complex of the EndoS from S. pyogenes and the Fc region of Immunoglobulin G
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification Detailssingle blot
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles339309
Reported Resolution (Å)4.6
Resolution MethodFSC 3 SIGMA CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6EN3, 1H3X, 1H3X)
Refinement Space
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
DetailsInitial PDB models were rigid-body refined for individual chains. Later, the model was real-space refined removing side chains that couldn't be assign ...Initial PDB models were rigid-body refined for individual chains. Later, the model was real-space refined removing side chains that couldn't be assigned.
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)59.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1300
Maximum Defocus (nm)2500
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
PARTICLE SELECTIONRELION
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION
MODEL FITTINGUCSF Chimera
MODEL FITTINGPHENIX
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONRELION CTFfind4 implementation797351