5K10

Cryo-EM structure of isocitrate dehydrogenase (IDH1)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.616
f_angle_d0.915
f_chiral_restr0.056
f_bond_d0.009
f_plane_restr0.005
Sample
isocitrate dehydrogenase R132C mutant
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification DetailsPlunged into liquid ethane (LEICA EM GP)
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles49936
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsThe primary map for this entry corresponds to the uncorrected reconstruction. A version sharpened using a B-factor of -180 is provided as additional v ...The primary map for this entry corresponds to the uncorrected reconstruction. A version sharpened using a B-factor of -180 is provided as additional volume data. The reconstruction, obtained without imposing symmetry, is also provided with this entry as additional volume data.
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (3MAP)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)700
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification270000
Calibrated Magnification101000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONFREALIGN9.10
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX
MODEL REFINEMENTCoot
INITIAL EULER ASSIGNMENTFREALIGN9.10
FINAL EULER ASSIGNMENTFREALIGN9.10
RECONSTRUCTIONFREALIGN9.10
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION499184