☰ Navigation Tabs
Bacteriophage T4 gp17 motor assembly based on crystal structures and cryo-EM reconstructions
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3CPE
Sample T4 procapsid with gp17 bound
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details flash-frozen on holey grids in liquid ethane
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1716 Reported Resolution (Å) 34 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry C5
Map-Model Fitting and Refinement Id 1 (3CPE) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Sumf Overall B Value Fitting Procedure Details METHOD--N- and C-terminal domains were separately fitted into their
corresponding cryoEM densities REFINEMENT PROTOCOL--Rigid body
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI/PHILIPS CM200FEG Minimum Defocus (nm) 2000 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 38000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version MODEL FITTING EMfit RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details phase flipping of each micrograph