ELECTRON CRYSTALLOGRAPHY Experimental Data


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.45 α = 90
b = 62.45 β = 90
c = 100 γ = 120
Symmetry
Space Group P 3

Diffraction

Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 3.5 -- -- -- -- -- -- -- -- -- -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1343
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 0

EM Sample
Sample Vitrification Details --
Sample Aggregation State 2D ARRAY
Sample Reconstruction Method CRYSTALLOGRAPHY
Name of Sample Bacteriorhodopsin from purple membrane
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model SIEMENS SULEIKA
Detector Type GENERIC FILM
Minimum Defocus (nm) --
Maximum Defocus (nm) --
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS --
Imaging Mode BRIGHT FIELD
Electron Dose (electrons per Å**-2) 15.0
Illumination Mode FLOOD BEAM
Nominal Magnification 66000
Calibrated Magnification --
Source --
Acceleration Voltage (kV) 100
Imaging Details 0, 20, 45 degree + random degree tilts
3D Reconstruction
Software Package(s) --
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles --
Other Details --
Effective Resolution 3.5