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Structure of the HCV IRES bound to the human ribosome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4W23
Sample HCV IRES BOUND TO HUMAN 80S RIBOSOME
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument HOMEMADE PLUNGER Cryogen Name ETHANE-PROPANE Sample Vitrification Details FROZEN ON 200 MESH QUANTIFOIL R 2 2 HOLEY CARBON GRIDS WITH A THIN CONTINUOUS CARBON SUPPORT FILM APPLIED IN ETHANE PROPANE MIX
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 404357 Reported Resolution (Å) 3.9 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4W23) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target R-factor Overall B Value 119.1 Fitting Procedure Details METHOD--RIGID BODY REFINEMENT FOLLOWED BY MANUAL MODEL BUILDING REFINEMENT
PROTOCOL--CRYO-EM
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2014-11-20 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 100719 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF Chimera RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details INDIVIDUAL FRAMES