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Model of Neurospora crassa proton ATPase
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 167 α = 90 b = 167 β = 90 c = 250 γ = 120
Symmetry Space Group P 3 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 electron
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B ELECTRON CRYSTALLOGRAPHY 8
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 14082 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Sample Neurospora ATPase hexamer crystal Sample Components plasma membrane proton ATPase hexameric assembly
Specimen Preparation Sample Aggregation State 2D ARRAY Vitrification Instrument Cryogen Name Sample Vitrification Details 2D crystals were vitrified by immersion in liquid nitrogen
3D Reconstruction Reconstruction Method CRYSTALLOGRAPHY Number of Particles Reported Resolution (Å) 8 Resolution Method Other Details Refinement Type Symmetry Type 2D CRYSTAL
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target best visual fit using the program o Overall B Value Fitting Procedure Details METHOD--manual REFINEMENT PROTOCOL--manual fit
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 25
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) 4 Microscope Model JEOL 3000SFF Minimum Defocus (nm) 600 Maximum Defocus (nm) 1200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) 60 Nominal CS 1.6 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 50000 Calibrated Magnification 50000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Images were also recorded on JEOL 2000 EX and Philips CM200 FEG electron microscopes at 80 K at a dose of 1000 e/nm**2
EM Software Task Software Package Version RECONSTRUCTION MRC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details crystallographic