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 9Z8L | pdb_00009z8l

Destabilized open state sheep connexin-50 in DMPC nanodiscs at neutral pH


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7JKC 
Sample
Destabilized open state dodecameric connexin-50 gap junction in DMPC nanodiscs at neutral pH
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles75136
Reported Resolution (Å)2.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD6
Map-Model Fitting and Refinement
Id1 (7jkc)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv4.4.1
CTF CORRECTIONcryoSPARCv4.4.1
INITIAL EULER ASSIGNMENTcryoSPARCv4.4.1
FINAL EULER ASSIGNMENTcryoSPARCv4.4.1
CLASSIFICATIONcryoSPARCv4.4.1
RECONSTRUCTIONcryoSPARCv4.4.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE4002015