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C-alpha model fitted into the EM structure of Cx26M34Adel2-7
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ZW3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.4 α = 90 b = 112.2 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 connexin26 gap junction channels
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument REICHERT-JUNG PLUNGER Cryogen Name NITROGEN Sample Vitrification Details Embedding Material trehalose Embedding Details 10% trehalose
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 10 Resolution Method Other Details Refinement Type Symmetry Type 2D CRYSTAL
Map-Model Fitting and Refinement Id 1 (2ZW3) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details 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 2007-11-09 Temperature (Kelvin) 4.2 Microscope Model JEOL KYOTO-3000SFF Minimum Defocus (nm) 544 Maximum Defocus (nm) 2214 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) 45 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