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Cryo-EM structure of Nitrogenase MoFe protein from Methanosarcina acetivorans bound to the NifI inhibitor complex
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.307 f_angle_d 0.53 f_chiral_restr 0.044 f_plane_restr 0.004 f_bond_d 0.003
Sample Trimeric complex of MoFe protein bound to NifI inhibitor complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 74083 Reported Resolution (Å) 3.16 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 52
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 150000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7.1 MODEL REFINEMENT PHENIX 1.21.2_5419 RECONSTRUCTION cryoSPARC 4.7.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE