6MHS

Structure of the human TRPV3 channel in a putative sensitized conformation


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.653
f_angle_d0.658
f_chiral_restr0.044
f_bond_d0.006
f_plane_restr0.003
Sample
Human TRPV3 in a putative sensitized state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification DetailsSample was manually blotted for 4 seconds prior to plunge-freezing into liquid ethane cooled by liquid nitrogen.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles44554
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC4
Map-Model Fitting and Refinement
Id1 (5AN8)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement TargetCorrelation coefficient
Overall B Value51
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)67
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)800
Maximum Defocus (nm)1400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification45000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging DetailsAlignment performed as described in Herzik, Wu, Lander, Nat Methods 2017 (PMID: 28991891)
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLeginon3.2
CTF CORRECTIONCTFFIND4
CTF CORRECTIONRELION2.1
MODEL FITTINGCoot0.8.2
MODEL REFINEMENTPHENIX1.11.1-2580
INITIAL EULER ASSIGNMENTRELION2.1
FINAL EULER ASSIGNMENTRELION2.1
RECONSTRUCTIONRELION2.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION559206