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Human Aquaporin 2 from 2D electron diffraction data
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.7 α = 90 b = 94.7 β = 90 c = 250 γ = 90
Symmetry Space Group P 2 21 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY FREE R-VALUE 2.6 66.963 1.34 49751 2004 70.98 0.2952 0.2934 0.3268 0.2956 0.323
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.784 f_angle_d 1.987 f_chiral_restr 0.078 f_bond_d 0.013 f_plane_restr 0.009
Sample Human Aquaporin 2 from 2D electron diffraction data
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 2.6 Resolution Method DIFFRACTION PATTERN/LAYERLINES Other Details Refinement Type Symmetry Type 2D CRYSTAL Space Group Name P 2 2 2 Length a 94.7 Length b 94.7 Angle Gamma 90
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN ULTRASCAN 1000 (2k x 2k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F20 Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode DIFFRACTION Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version CTF CORRECTION MRC IMAGE PROCESSING PACKAGE MOLECULAR REPLACEMENT PHENIX 3965 CRYSTALLOGRAPHY MERGING IPLT MODEL REFINEMENT PHENIX 3965
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION