6R3B

BACTERIOPHAGE SPP1 PROCAPSID-I PROTEIN


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4AN5 
Sample
Bacillus phage SPP1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK II
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4558
Reported Resolution (Å)4.5
Resolution MethodFSC 0.5 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (4AN5)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 BASE (4k x 4k)
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)900
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.3
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN 910 MULTI-SPECIMEN SINGLE TILT CRYO TRANSFER HOLDER
Nominal Magnification39000
Calibrated Magnification39000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONEMAN2
IMAGE ACQUISITIONLeginon
CTF CORRECTIONCTFFIND4
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTIMAGIC5
FINAL EULER ASSIGNMENTIMAGIC5
CLASSIFICATIONIMAGIC5
RECONSTRUCTIONIMAGIC5
MODEL REFINEMENTCoot
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLYAssessment of the contrast transfer function of the microscope was done using CTFFIND46078