3IZ2

C-alpha model fitted into the EM structure of Cx26M34Adel2-7


ELECTRON CRYSTALLOGRAPHY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2ZW3 

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 113.4α = 90
b = 112.2β = 90
c = 300γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11electron MSINGLE WAVELENGTH

Refinement

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms555
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms
Sample
connexin26 gap junction channels
Specimen Preparation
Sample Aggregation State2D ARRAY
Vitrification InstrumentREICHERT-JUNG PLUNGER
Cryogen NameNITROGEN
Sample Vitrification Details
Embedding Materialtrehalose
Embedding Details10% trehalose
3D Reconstruction
Reconstruction MethodCRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)10
Resolution Method
Other Details
Refinement Type
Symmetry Type2D CRYSTAL
Map-Model Fitting and Refinement
Id1 (2ZW3)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
DetailsREFINEMENT PROTOCOL--Rigid body DETAILS--Initial local fitting was done using O, and Situs was used for flexible fitting.
Data Acquisition
Detector TypeKODAK SO-163 FILM
Electron Dose (electrons/Å**2)25
Imaging Experiment1
Date of Experiment2007-11-09
Temperature (Kelvin)4.2
Microscope ModelJEOL KYOTO-3000SFF
Minimum Defocus (nm)544
Maximum Defocus (nm)2214
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)45
Nominal CS1.6
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification40000
Calibrated Magnification39000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
MODEL FITTINGSitus
RECONSTRUCTIONMRC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
Each image