ELECTRON MICROSCOPY

Sample

BAR-PH DOMAIN OF ACAP1

Specimen Preperation
Sample Aggregation State HELICAL ARRAY
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details LIQUID ETHANE
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 352
Reported Resolution (Å) 17
Resolution Method ?
Other Details PARTICLES WERE CLASSIFIED BY THEIR DIAMETERS, THEN SHRUNK 4 TIMES TO PERFORM SINGLE PARTICLE RECONSTRUCTION USING IHRSR. SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2547. (DEPOSITION ID: 12222).
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details METHOD--RIGID BODY FITTING AND MANUALLY DOCKING REFINEMENT PROTOCOL--X-RAY
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2012-07-16
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 2500
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 75000
Calibrated Magnification 125418
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details GOOD MICROGRAPHS (VERIFIED BY HELICAL DIFFRACTION PATTERN) WERE SELECTED MANUALLY. THE ELECTRON DOSE IS 2000 ELECTRON PER NANOMETER SQUARE.
Imaging Experiment
Task Software Package Version
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION IHRSR ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? CTFFIND3