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Structure of Aquaporin-4 S180D mutant at 10.0 A resolution from electron micrograph
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ZZ9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 pH 6.00
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 69 α = 90 b = 69 β = 90 c = 160 γ = 90
Symmetry Space Group P 4 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 electron 4.2 2008-02-04 M SINGLE WAVELENGTH
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY MOLECULAR REPLACEMENT PDB entry 2ZZ9 10
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 223 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose MRC data scaling
Sample rat aquaporin-4 S180D mutant
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument REICHERT-JUNG PLUNGER Cryogen Name NITROGEN Sample Vitrification Details
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 10 Resolution Method OTHER Other Details MRC Refinement Type Symmetry Type 2D CRYSTAL
Map-Model Fitting and Refinement Id 1 (2ZZ9) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--rigid body
Data Acquisition Detector Type GENERIC CCD Electron Dose (electrons/Å**2) 38
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) 4.2 Microscope Model JEOL KYOTO-3000SFF Minimum Defocus (nm) 430 Maximum Defocus (nm) 3730 Minimum Tilt Angle (degrees) -60 Maximum Tilt Angle (degrees) 60 Nominal CS 1.6 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 90000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING Situs RECONSTRUCTION MRC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Each image