Experiment: 3IZ1

C-alpha model fitted into the EM structure of Cx26M34A

ELECTRON CRYSTALLOGRAPHY

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2ZW3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 112.4	α = 90
b = 111.2	β = 90
c = 300	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	electron						M	SINGLE WAVELENGTH

Refinement

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	555
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Sample
human connexin26 M34A mutant

Specimen Preparation
Sample Aggregation State	2D ARRAY
Vitrification Instrument	REICHERT-JUNG PLUNGER
Cryogen Name	NITROGEN
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	CRYSTALLOGRAPHY
Number of Particles
Reported Resolution (Å)	6
Resolution Method
Other Details
Refinement Type
Symmetry Type	2D CRYSTAL

Map-Model Fitting and Refinement
Id	1 (2ZW3)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target	Cross-correlation coefficient
Overall B Value
Fitting Procedure
Details	METHOD--Local refinement, Flexible fitting REFINEMENT PROTOCOL--rigid body DETAILS--Initial local fitting was done using O, and Situs was used for f ...	METHOD--Local refinement, Flexible fitting REFINEMENT PROTOCOL--rigid body DETAILS--Initial local fitting was done using O, and Situs was used for flexible fitting.

Data Acquisition
Detector Type	KODAK SO-163 FILM
Electron Dose (electrons/Å**2)	25

Imaging Experiment	1
Date of Experiment	2008-10-03
Temperature (Kelvin)	4.2
Microscope Model	JEOL KYOTO-3000SFF
Minimum Defocus (nm)	458
Maximum Defocus (nm)	3939
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)	60
Nominal CS	1.6
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	40000
Calibrated Magnification	39000
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
MODEL FITTING	Situs
RECONSTRUCTION	MRC

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
	Each image