8SXU

Structure of LINE-1 ORF2p with an oligo(A) template


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.084
f_angle_d0.549
f_chiral_restr0.039
f_plane_restr0.004
f_bond_d0.003
Sample
Long Interspersed Nuclear Element (LINE)-1 ORF2 protein
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM CPC
Cryogen NameETHANE
Sample Vitrification DetailsManually blotted from the back
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles203314
Reported Resolution (Å)3.66
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (8C8J)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value203
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)54
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2750
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.3.1
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC3.3.1
CTF CORRECTIONCTFFIND4.1.13
INITIAL EULER ASSIGNMENTcryoSPARC3.3.1
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
RECONSTRUCTIONcryoSPARC3.3.1
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY1536512Particles were template picked using 2D class average references