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
-- -- -- 1996-06-07
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
-- 3.54 30.04 -- 0.0 -- 5408 514 82.8 -- 0.364 0.364 0.376 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
Electron Crystallography 3.5 3.72 -- 54 443 0.431 0.428 0.058 44.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 44.4
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.6
c_improper_angle_d 1.65
c_bond_d 0.008
c_dihedral_angle_d 20.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.79
Luzzati Sigma A (Observed) 1.0
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.79
Luzzati Sigma A (R-Free Set) 0.89
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1653
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
CNS refinement version: 1.0

EM Sample
Sample Vitrification Details --
Sample Aggregation State 2D ARRAY
Sample Reconstruction Method CRYSTALLOGRAPHY
Name of Sample HUMAN AQUAPORIN 1
EM Data Acquisition
Date of Experiment --
Temperature (Kelvin) --
Microscope Model JEOL 3000SFF
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) 300
Imaging Details --
3D Reconstruction
Software Package(s) --
Reconstruction Method(s) --
EM Image Reconstruction Statistics
Number of Particles --
Other Details --
Effective Resolution --