4V8L

Cryo-EM Structure of the Mycobacterial Fatty Acid Synthase


ELECTRON MICROSCOPY
Sample
MYCOBACTERIAL FATTY ACID SYNTHASE, FAS I
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsVITRIFIED WITH HOMEMADE PLUNGER IN LIQUID ETHANE
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles106884
Reported Resolution (Å)7.5
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2238 (DEPOSITION ID: 11255).
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1 (2UV8)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsMETHOD--DOMAINS WERE SEPARATELY FITTED AS RIGID BODIES AND MANUALLY ADJUSTED IN O. THE MODEL WAS MINIMIZED WITH PHENIX.PDBTOOLS. REFINEMENT PROTOCOL- ...METHOD--DOMAINS WERE SEPARATELY FITTED AS RIGID BODIES AND MANUALLY ADJUSTED IN O. THE MODEL WAS MINIMIZED WITH PHENIX.PDBTOOLS. REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector TypeFEI FALCON I (4k x 4k)
Electron Dose (electrons/Å**2)20
Imaging Experiment1
Date of Experiment2012-10-19
Temperature (Kelvin)79
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1500
Maximum Defocus (nm)5000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification59000
Calibrated Magnification100000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsDATA WERE COLLECTED USING THE AUTOMATED IMAGE ACQUISITION SOFTWARE FEI EPU.
EM Software
TaskSoftware PackageVersion
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONIMAGIC5
RECONSTRUCTIONSPIDER
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
EACH IMAGE