6S3Q

Structure of human excitatory amino acid transporter 3 (EAAT3) in complex with TFB-TBOA


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.858
f_angle_d0.957
f_chiral_restr0.06
f_bond_d0.011
f_plane_restr0.007
Sample
EXCITATORY AMINO ACID TRANSPORTER 3 TRIMER
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 4.5s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles113258
Reported Resolution (Å)3.34
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (6GCT)
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement TargetCross-correlation coefficient
Overall B Value111
Fitting Procedure
DetailsModel refined using NCS constraints and rotamer, cbeta restraints only against RELION post-processed b-factor sharpened (-111A**2), 3.34A filtered map ...Model refined using NCS constraints and rotamer, cbeta restraints only against RELION post-processed b-factor sharpened (-111A**2), 3.34A filtered map
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)40.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4.1.10
MODEL FITTINGUCSF Chimera1.11
MODEL FITTINGCoot0.8.9.1
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
MODEL REFINEMENTPHENIX1.14
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION281809Particles were picked based on 2D templates arising from classification of particles picked from a subset of images using gautomatch in non-template mode.