6DKF

Caseinolytic protease (ClpP) from Staphylococcus aureus mutant - V7A


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3V5E 
experimental modelPDB 3QWD 
Sample
Caseinolytic protease from Staphylococcus aureus (V7A)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsModified Vitrobot
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles324522
Reported Resolution (Å)3.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (3V5E, 3QWD)
Refinement SpaceREAL
Refinement ProtocolOTHER
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 ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
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
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4
MODEL FITTINGCoot0.8.2
INITIAL EULER ASSIGNMENTcryoSPARC0.5
FINAL EULER ASSIGNMENTcryoSPARC0.5
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC0.5
MODEL REFINEMENTPHENIX1.10.1-2155
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION878240