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Human IMPDH2 mutant - L245P, treated with ATP, IMP, and NAD+; extended filament segment reconstruction
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.488 f_angle_d 0.693 f_chiral_restr 0.045 f_plane_restr 0.004 f_bond_d 0.003
Sample Filament of Inosine-5'-monophosphate dehydrogenase 2 - L245P mutant, bound to ATP, IMP, and NAD+
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 54304 Reported Resolution (Å) 2.6 Resolution Method OTHER Other Details FSCref 0.5 cut-off from PHENIX density modification Refinement Type Symmetry Type POINT Point Symmetry D4
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1710 Maximum Defocus (nm) 270 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION Leginon CTF CORRECTION RELION 3.1 MODEL FITTING PHENIX 1.20.1 MODEL FITTING Coot 0.8.9.2 MODEL REFINEMENT PHENIX 1.20.1 MODEL REFINEMENT Coot 0.8.9.2 MODEL REFINEMENT ISOLDE 1.1.0 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 RECONSTRUCTION RELION 3.1 RECONSTRUCTION PHENIX 1.18.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1893802