8P4O

CryoEM structure of a GroEL7-GroES7 cage with encapsulated ordered substrate MetK in the presence of ADP-BeFx


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1SX3 
experimental modelPDB 5OPX 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.9769
f_angle_d0.4885
f_chiral_restr0.0414
f_plane_restr0.0032
f_bond_d0.0021
Sample
GroEL14-GroES14-MetK2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification Details5.9 mM n-octyl-beta-D-glucopyranoside were added before vitrification
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles454545
Reported Resolution (Å)3.04
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (1SX3, 5OPX)
Refinement SpaceREAL
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)55
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification22500
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND
MODEL FITTINGUCSF Chimera1.13.1
MODEL FITTINGCoot0.9.4
MODEL REFINEMENTPHENIX1.19.2
INITIAL EULER ASSIGNMENTcryoSPARC3.1
FINAL EULER ASSIGNMENTcryoSPARC3.1
CLASSIFICATIONcryoSPARC3.1
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION