ELECTRON CRYSTALLOGRAPHY Experimental Data


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.58 α = 90
b = 99.58 β = 90
c = 100 γ = 90
Symmetry
Space Group P 4 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1999-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
-- -- -- -- -- -- -- -- n/a -- -- 38.1

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
-- 3.7 24.0 -- 2.0 -- 4433 309 77.1 -- 0.361 0.361 0.458 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 47.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1645
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
X-PLOR refinement

EM Sample
Sample Vitrification Details --
Sample Aggregation State 2D ARRAY
Sample Reconstruction Method CRYSTALLOGRAPHY
Name of Sample aquaporin
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model FEI/PHILIPS CM200FEG
Detector Type --
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) --
Illumination Mode FLOOD BEAM
Nominal Magnification --
Calibrated Magnification --
Source FIELD EMISSION GUN
Acceleration Voltage (kV) --
Imaging Details --
3D Reconstruction
Software Package(s) --
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles --
Other Details --
Effective Resolution 3.7