ELECTRON MICROSCOPY

Sample

Filament of Inosine-5'-monophosphate dehydrogenase 2 - L245P mutant, bound to GTP, ATP, IMP, and NAD+

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 89981
Reported Resolution (Å) 2.1
Resolution Method OTHER
Other Details FSCref 0.5 cut-off from PHENIX density modification
Refinement Type
Symmetry Type POINT
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/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 1740
Maximum Defocus (nm) 280
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 ?
Imaging Experiment
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 ?