8B3Q

CryoEM structure of the central filamentous region of the f1 filamentous bacteriophage, consisting of the major capsid protein pVIII


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.098
r_lrange_it26.798
r_scangle_it20.704
r_dihedral_angle_3_deg18.16
r_scbond_it15.058
r_mcangle_it11.764
r_mcbond_it7.96
r_dihedral_angle_1_deg3.264
r_angle_refined_deg1.509
r_nbtor_refined0.315
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg29.098
r_lrange_it26.798
r_scangle_it20.704
r_dihedral_angle_3_deg18.16
r_scbond_it15.058
r_mcangle_it11.764
r_mcbond_it7.96
r_dihedral_angle_1_deg3.264
r_angle_refined_deg1.509
r_nbtor_refined0.315
r_xyhbond_nbd_refined0.297
r_nbd_refined0.263
r_chiral_restr0.105
r_bond_refined_d0.008
r_gen_planes_refined0.008
Sample
Enterobacteria phage f1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsWait time 5 sec., drain time 0 sec., blot force 0, blot time 4 sec.
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles1139813
Reported Resolution (Å)2.58
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC5
Axial Rise16.599
Angular Rotation37.437
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1300
Maximum Defocus (nm)2500
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
IMAGE ACQUISITIONEPU
CTF CORRECTIONWarp
MODEL FITTINGCoot
MODEL REFINEMENTREFMAC
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION