8S5I

Full-length human cystathionine beta-synthase with C-terminal 6xHis-tag, basal state, single particle reconstruction


ELECTRON MICROSCOPY
Sample
Helical assembly of full-length human cystathionine beta-synthase in the basal state
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles188230
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (4COO)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value61.93
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)37.85
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)900
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 Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0.8
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTPHENIX
MODEL REFINEMENTISOLDE
INITIAL EULER ASSIGNMENTRELION3.0.8
FINAL EULER ASSIGNMENTcryoSPARC3.1.0
CLASSIFICATIONcryoSPARC3.1.0
RECONSTRUCTIONcryoSPARC3.1.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION760869