9BZ8

Pannexin 1 containing C-terminal activating domain


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6VD7 
Sample
frog pannexin 1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsGrid was blotted for 4 seconds with a force of 7 before plunging into liquid ethane.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles31614
Reported Resolution (Å)3
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsReconstructed in RELION using 3D classification and autorefinement
Refinement Type
Symmetry TypePOINT
Point SymmetryC7
Map-Model Fitting and Refinement
Id1 (6VD7)
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)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)8000
Maximum Defocus (nm)20000
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 SELECTIONcryoSPARC4.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.0
CTF CORRECTIONRELION4.0
MODEL FITTINGCoot0.8.9.1
INITIAL EULER ASSIGNMENTRELION4.0
FINAL EULER ASSIGNMENTRELION4.0
CLASSIFICATIONRELION4
RECONSTRUCTIONRELION4.0-beta
MODEL REFINEMENTPHENIX1.21.1-5286
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONParticles picked with template picker and inspect particle picks was deployed to remove non-protein picks