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Fitted crystal structure of the homotrimer of fusion glycoprotein E1 from SFV into subtomogram averaged CHIKV E1 glycoprotein density
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RER
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4 PEG 400, NABR, DETERGENT DDAO, HO3+,
VAPOR DIFFUSION, HANGING DROP, PH 4, TEMPERATURE 277.0K
Crystal Properties Matthews coefficient Solvent content 5.15 76.1
Diffraction Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 1.53596, 1.53646, 1.18080 SLS X06SA 2 SYNCHROTRON ESRF BEAMLINE ID29 ESRF ID29 3 SYNCHROTRON ESRF BEAMLINE ID14-1 ESRF ID14-1
Sample Sub-tomogram averaged map of post-fusion E1 glycoprotein trimer from Chikungunya virus
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 7-8 seconds
3D Reconstruction Reconstruction Method SUBTOMOGRAM AVERAGING Number of Particles 590 Reported Resolution (Å) 27.2 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 (1RER) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 70
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 2500 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 53000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version VOLUME SELECTION PEET IMAGE ACQUISITION Leginon IMAGE ACQUISITION SerialEM CTF CORRECTION CTFPHASEFLIP MODEL FITTING UCSF Chimera RECONSTRUCTION PEET
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION