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CryoEM structure of the Hdr(ABC)2 subunits of the Elp-Hdr complex of Methanothermobacter marburgensis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.948 f_angle_d 0.632 f_chiral_restr 0.045 f_plane_restr 0.004 f_bond_d 0.003
Sample F420-dependent electron-donating proteins- heterodisulfide reductase complex (Elp-Hdr) from Methanothermobacter marburgensis (heterodisulfide reductase core and mobile arm, composite structure)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name NITROGEN Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 493925 Reported Resolution (Å) 1.85 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details Real space refinement after automated model building using Model Angelo
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 65
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU MODEL FITTING UCSF ChimeraX RECONSTRUCTION cryoSPARC 4 MODEL REFINEMENT Coot MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION