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 Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1992-04-01
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
-- 3.0 -- -- -- -- -- -- -- -- -- -- -- --
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1778
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 0

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement
X-PLOR phasing

EM Sample
Sample Vitrification Details delay of 10 seconds before rapid freezing
Sample Aggregation State 2D ARRAY
Sample Reconstruction Method CRYSTALLOGRAPHY
Name of Sample Bacteriorhodopsin
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model JEOL 4000
Detector Type GENERIC GATAN (2k x 2k)
Minimum Defocus (nm) --
Maximum Defocus (nm) --
Minimum Tilt Angle (degrees) --
Maximum Tilt Angle (degrees) --
Nominal CS --
Imaging Mode DIFFRACTION
Electron Dose (electrons per Å**-2) 10.0
Illumination Mode FLOOD BEAM
Nominal Magnification --
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 400
Imaging Details --
3D Reconstruction
Software Package(s) --
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles --
Other Details --
Effective Resolution 2.8