8TZ9

Cryo-EM structure of bovine concentrative nucleoside transporter 3 in complex with Molnupiravir, condition 2, INT2-INT2-INT2 conformation


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3TIJ 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.44
f_angle_d0.541
f_chiral_restr0.038
f_bond_d0.003
f_plane_restr0.003
Sample
bCNT3 trimer
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4412
Reported Resolution (Å)3.67
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (3TIJ)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification81000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC3.3
IMAGE ACQUISITIONLatitude3.5
CTF CORRECTIONCTFFIND4
MODEL FITTINGCoot0.96
MODEL REFINEMENTPHENIX1.18
INITIAL EULER ASSIGNMENTcryoSPARC3.3
FINAL EULER ASSIGNMENTcryoSPARC3.3
CLASSIFICATIONcryoSPARC3.3
RECONSTRUCTIONcryoSPARC3.3
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY2026720