8BB1

T3 SAM lyase in complex with S-adenosylmethionine synthase


ELECTRON MICROSCOPY
Sample
T3 SAM lyase in complex with E. coli S-adenosylmethionine synthase.
Sample Components
S-adenosylmethionine synthase in complex with T3 SAM lyase.
T3 SAM lyase in complex with S-adenosylmethionine synthase.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlotting for 3 seconds before plunging.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles244912
Reported Resolution (Å)2.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD2
Map-Model Fitting and Refinement
Id1 (1P7L)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)47.75
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3
IMAGE ACQUISITIONEPU2.11
CTF CORRECTIONcryoSPARC3
MODEL FITTINGCoot0.9.3
MODEL REFINEMENTPHENIX1.20.1-4487
INITIAL EULER ASSIGNMENTcryoSPARC3
FINAL EULER ASSIGNMENTcryoSPARC3
CLASSIFICATIONcryoSPARC3
RECONSTRUCTIONcryoSPARC3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1445186