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MTHFR + SAH asymmetric dis-inhibited state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6FCX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.696 f_angle_d 1.079 f_chiral_restr 0.041 f_bond_d 0.009 f_plane_restr 0.005
Sample Human 5,10-methylenetetrahydrofolate reductase in complex with S-Adenosyl-L-homocysteine, regulatory domains with one catalytic domain
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 104101 Reported Resolution (Å) 3.14 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6fcx) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coeficient Overall B Value 86.3 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 900 Maximum Defocus (nm) 2100 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 240000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.2.1 CTF CORRECTION cryoSPARC 4.2.1 MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC 4.2.1 FINAL EULER ASSIGNMENT cryoSPARC 4.2.1 CLASSIFICATION cryoSPARC 4.2.1 RECONSTRUCTION cryoSPARC 4.2.1 MODEL REFINEMENT PHENIX MODEL REFINEMENT ISOLDE
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1900000