☰ Navigation Tabs
Cryo-EM structure of the glucose-specific PTS transporter IICB from E. coli in the inward- and outward-facing conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-P69786-F1
Sample Homo-dimeric complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 277174 Reported Resolution (Å) 2.89 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 60.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.2.0 IMAGE ACQUISITION SerialEM MODEL FITTING Coot MODEL REFINEMENT PHENIX RECONSTRUCTION cryoSPARC 3.2.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 4474138