7NSG | pdb_00007nsg

Structure of human excitatory amino acid transporter 3 (EAAT3) in complex with HIP-B

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6S3Q

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.8805
f_angle_d	0.8822
f_chiral_restr	0.0509
f_bond_d	0.0076
f_plane_restr	0.0068

Sample
Ternary complex of excitatory amino acid transporter 3 with inhibitor HIP-B

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	Blot time 4s Blot force -15 sample volume 3 uL

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	127936
Reported Resolution (Å)	3.34
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C3

Map-Model Fitting and Refinement
Id	1 (6S3Q)
Refinement Space	REAL
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details	MODEL REFINED USING NCS CONSTRAINTS AND ROTAMER, CBETA, SECONDARY STRUCTURE AND RAMACHANDARN RESTRAINTS AGAINST RELION POST-PROCESSED B-FACTOR SHARPENED (-118A**2) 3.34A FILTERED MAP

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	42

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	1600
Maximum Defocus (nm)	2400
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
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	Gautomatch	0.53
IMAGE ACQUISITION	SerialEM
CTF CORRECTION	CTFFIND	4.1
MODEL FITTING	Coot	0.8.9
MODEL REFINEMENT	PHENIX	1.14
INITIAL EULER ASSIGNMENT	RELION	3.0
FINAL EULER ASSIGNMENT	RELION	3.0
CLASSIFICATION	RELION	3.0
RECONSTRUCTION	RELION	3.0

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		1169680