26FE | pdb_000026fe

Cryo-EM structure of the A17(1-16) peptide-bound N-terminal 17 residue truncated D13 trimer from vaccinia virus


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d3.503
f_angle_d0.418
f_chiral_restr0.046
f_plane_restr0.003
f_bond_d0.002
Sample
A17(1-16) peptide-bound N-terminal 17 residue truncated D13 trimer from vaccinia virus
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsWait time: 0sec Blot force: 0 Blot time: 5sec
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles123726
Reported Resolution (Å)3.04
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetMap-to-model correlation
Overall B Value
Fitting Procedure
DetailsModel building was proceeded by manually fitting the cryo-EM structure of D13 (PDB ID 7VFD) into our cryo-EM map using UCSF Chimera. The model was su ...Model building was proceeded by manually fitting the cryo-EM structure of D13 (PDB ID 7VFD) into our cryo-EM map using UCSF Chimera. The model was subsequently inspected and adjusted in Coot. Coordinate refinements were performed using the real-space refinement routine in the Phenix software suite.
Data Acquisition
Detector TypeGATAN K3 BIOCONTINUUM (6k x 4k)
Electron Dose (electrons/Å**2)53.12
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.5.3
CTF CORRECTIONcryoSPARC4.5.3
MODEL FITTINGUCSF Chimera
MODEL FITTINGCoot0.9.8.92
MODEL REFINEMENTPHENIX1.20.1_4487
INITIAL EULER ASSIGNMENTcryoSPARC4.5.3
FINAL EULER ASSIGNMENTcryoSPARC4.5.3
CLASSIFICATIONcryoSPARC4.5.3
RECONSTRUCTIONcryoSPARC4.5.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE