ELECTRON MICROSCOPY

Sample

Ternary complex of transmembrane regions of Basigin with monocarboxylate transporter 1

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details blot for 3.5-4.5 s before plunging
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 129990
Reported Resolution (Å) 5.03
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol BACKBONE TRACE
Refinement Target Correlation coefficient
Overall B Value 53.6
Fitting Procedure ?
Details The transmembrane regions of human MCT1 and Basigin-2 were first generated, with side chain of each residue truncated into beta carbon atom. The the model was initial fitted using chimera and then phenix was used for flexible fitting.
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 1.56
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode DIFFRACTION
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC v3.3.2
IMAGE ACQUISITION SerialEM SerialEM Version 3.8.0 beta
CTF CORRECTION cryoSPARC v3.3.2
MODEL FITTING cryoSPARC 2.15
MODEL REFINEMENT PHENIX 1.19.2
INITIAL EULER ASSIGNMENT cryoSPARC v3.3.2
FINAL EULER ASSIGNMENT cryoSPARC v3.3.2
CLASSIFICATION cryoSPARC v3.3.2
RECONSTRUCTION cryoSPARC v3.3.2
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION Movies CTF amplitude correction was performed by patch CTF.