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Structure of ADP-bound N-ethylmaleimide sensitive factor determined by single particle cryoelectron microscopy
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NSF
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.294 f_angle_d 1.976 f_chiral_restr 0.085 f_bond_d 0.011 f_plane_restr 0.008
Sample ADP-bound N-ethylmaleimide sensitive factor
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name ETHANE Sample Vitrification Details Blot for 3.5 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 12830 Reported Resolution (Å) 7.6 Resolution Method FSC 0.143 CUT-OFF Other Details (Single particle--Applied symmetry: C1) Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1NSF) Refinement Space RECIPROCAL Refinement Protocol FLEXIBLE FIT Refinement Target R-factor Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--flexible DETAILS--D2 domain of NSF was from crystal
structure 1NSF. D1 domain of NSF was from related entry EMD-6204.
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 44
Imaging Experiment 1 Date of Experiment 2014-01-14 Temperature (Kelvin) Microscope Model FEI POLARA 300 Minimum Defocus (nm) -1800 Maximum Defocus (nm) -2800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.3 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 31000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING PHENIX MODEL FITTING UCSF Chimera RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details Each particle