7KR2

ClpP from Neisseria meningitidis - Compressed conformation


ELECTRON MICROSCOPY
Sample
ATP-dependent Clp protease proteolytic subunit
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsBlotted for 15 seconds at an offset of -5 mm
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles742377
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD7
Map-Model Fitting and Refinement
Id1 (5DZK)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)43
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)1700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.10
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC2.10
MODEL FITTINGUCSF Chimera
INITIAL EULER ASSIGNMENTcryoSPARC2.10
FINAL EULER ASSIGNMENTcryoSPARC2.10
CLASSIFICATIONcryoSPARC2.10
RECONSTRUCTIONcryoSPARC2.10
MODEL REFINEMENTRosettaEM
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION