8R2H

Cryo-EM structure of 1-deoxy-D-xylulose 5-phosphate synthase (DXPS) from Plasmodium falciparum


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFoldO96694 
Sample
Dimer of 1-deoxy-D-xylulose 5-phosphate synthase with Thiamin diphosphate bound.
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles97205
Reported Resolution (Å)2.42
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)44.47
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1.2
CTF CORRECTIONcryoSPARC4.1.2
MODEL FITTINGPHENIX1.20.1-4487
INITIAL EULER ASSIGNMENTcryoSPARC4.1.2
FINAL EULER ASSIGNMENTcryoSPARC4.1.2
RECONSTRUCTIONCoot0.9.6
RECONSTRUCTIONPHENIX1.20.1-4487
MODEL REFINEMENTPHENIX1.20.1-4487
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION