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Mapping the E2 Glycoprotein of Alphaviruses
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1I9W experimental model PDB 1WYK
Sample E2-N318Q Sindbis virus Sample Components Spike glycoprotein E1, E1 ectodomain domains I+II Spike glycoprotein E1, E1 ectodomain domain III Spike glycoprotein E1, E1 transmembrane region Spike glycoprotein E2, E2 transmembrane region Capsid protein C, residues 114-264
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 7085 Reported Resolution (Å) 9 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry I
Map-Model Fitting and Refinement Id 1 (1I9W, 1WYK) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--rigid body
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 18
Imaging Experiment 1 Date of Experiment 2000-06-21 Temperature (Kelvin) 93.15 Microscope Model FEI/PHILIPS CM200FEG Minimum Defocus (nm) 1100 Maximum Defocus (nm) 2580 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 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 MODEL FITTING EMfit RECONSTRUCTION PURDUE PROGRAMS
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Fourier transform of each image was modified