7Y1Q

5.0 angstrom cryo-EM structure of transmembrane regions of mouse Basigin/MCT1 in complex with antibody 6E7F1


ELECTRON MICROSCOPY
Sample
Ternary complex of transmembrane regions of Basigin with monocarboxylate transporter 1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 3.5-4.5 s before plunging
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles129990
Reported Resolution (Å)5.03
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6LZ0, 6LZ0)
Refinement SpaceREAL
Refinement ProtocolBACKBONE TRACE
Refinement TargetCorrelation coefficient
Overall B Value53.6
Fitting Procedure
DetailsThe transmembrane regions of human MCT1 and Basigin-2 were first generated, with side chain of each residue truncated into beta carbon atom. The the m ...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 TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.56
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeDIFFRACTION
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv3.3.2
IMAGE ACQUISITIONSerialEMSerialEM Version 3.8.0 beta
CTF CORRECTIONcryoSPARCv3.3.2
MODEL FITTINGcryoSPARC2.15
MODEL REFINEMENTPHENIX1.19.2
INITIAL EULER ASSIGNMENTcryoSPARCv3.3.2
FINAL EULER ASSIGNMENTcryoSPARCv3.3.2
CLASSIFICATIONcryoSPARCv3.3.2
RECONSTRUCTIONcryoSPARCv3.3.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONMovies CTF amplitude correction was performed by patch CTF.1610675Minimum particle diameter (A) 120 Maximum particle diameter (A) 140 Lowpass filter to apply (A) 10 Circular blob