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Cryo-EM structure of Arf1-decorated membrane tubules
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2KSQ
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 20.603 f_angle_d 0.671 f_chiral_restr 0.051 f_bond_d 0.01 f_plane_restr 0.005
Sample Heptameric complex of Arf1 with GSP and Mg
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 485140 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (2ksq) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 94.1 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 2800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 92000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4.3.1 IMAGE ACQUISITION EPU 2.2.0.65REL CTF CORRECTION cryoSPARC v4.3.1 MODEL FITTING PHENIX 1.21_5187 MODEL FITTING Coot 0.9 MODEL FITTING ISOLDE 1.6 INITIAL EULER ASSIGNMENT cryoSPARC v4.3.1 FINAL EULER ASSIGNMENT cryoSPARC v4.3.1 CLASSIFICATION cryoSPARC v4.3.1 RECONSTRUCTION cryoSPARC v4.3.1 MODEL REFINEMENT PHENIX 1.21_5187
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1489051