7BVE

Cryo-EM structure of Mycobacterium smegmatis arabinosyltransferase EmbC2-AcpM2 in complex with ethambutol


ELECTRON MICROSCOPY
Sample
Mycobacterium smegmatis arabinosyltransferase EmbC2-AcpM2 in complex with ethambutol
Sample Components
EmbC
AcpM
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles217550
Reported Resolution (Å)2.81
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Targetcorrelation coefficient
Overall B Value62.01
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM3-7-3
CTF CORRECTIONcryoSPARC2.9.1
MODEL FITTINGUCSF Chimera1.14
MODEL REFINEMENTPHENIX1.16
INITIAL EULER ASSIGNMENTcryoSPARC2.9.1
FINAL EULER ASSIGNMENTcryoSPARC2.9.1
CLASSIFICATIONcryoSPARC2.9.1
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONThe CTF correction was done by patch CTF correction.1855947