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CryoEM structure of Gluconacetobacter diazotrophicus nitrogenase complex (2:1 FeP:MoFeP) inhibited by BeFx (C2 symmetry)
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.141 f_angle_d 0.937 f_chiral_restr 0.679 f_bond_d 0.012 f_plane_restr 0.004
Sample Gluconacetobacter diazotrophicus nitrogenase complex (2:1 FeP:MoFeP) inhibited by BeFx (C2 symmetric)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument SPT LABTECH CHAMELEON Cryogen Name ETHANE Sample Vitrification Details Samples were covered by Al's oil and frozen with the SPT Labtech chameleon.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 37433 Reported Resolution (Å) 2.73 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
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 KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION EPU 2 CTF CORRECTION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX 1.21.2_5419
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 348915