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Multiple distinct assemblies reveal conformational flexibility in the small heat shock protein Hsp26
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GME
Sample small heat shock protein Hsp26 complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 5000 Reported Resolution (Å) 11.5 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry T
Map-Model Fitting and Refinement Id 1 (1GME) Refinement Space RECIPROCAL Refinement Protocol RIGID BODY FIT Refinement Target best visual fit using the program O Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--rigid body
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2)
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F20 Minimum Defocus (nm) 1700 Maximum Defocus (nm) 3400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 38000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version MODEL FITTING URO RECONSTRUCTION IMAGIC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Phase flipping