7NNT

Cryo-EM structure of the folate-specific ECF transporter complex in DDM micelles


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5JSZ 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.088
f_angle_d0.615
f_chiral_restr0.046
f_bond_d0.005
f_plane_restr0.005
Sample
Folate-specific ECF transporter complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsGrid was blotted for 4 sec after a wait time for 2.5 sec.
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsGrid was blotted for 4 sec after a wait time for 2.5 sec.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles41963
Reported Resolution (Å)3.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5JSZ, 5JSZ, 5JSZ, 5JSZ)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)53.3
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU1.12
CTF CORRECTIONCTFFIND4.1.13
MODEL FITTINGCoot0.9-pre
MODEL REFINEMENTPHENIX1.18-3861
INITIAL EULER ASSIGNMENTRELION3.0.7
FINAL EULER ASSIGNMENTRELION3.0.7
RECONSTRUCTIONRELION3.0.7
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION161463