8PTZ

Cryo-EM structure of human Elp123 in complex with tRNA, S-ethyl-CoA, 5'-deoxyadenosine and methionine


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.467
f_angle_d0.589
f_chiral_restr0.044
f_plane_restr0.005
f_bond_d0.003
Sample
Human Elp123 in complex with glutamine tRNA, S-ethyl-CoA, 5'-deoxyadenosine and methionine
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details15 s wait time, blot force 5, 5 s blot time
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles31251
Reported Resolution (Å)3.35
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)2700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification96000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487:
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION