ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3MAP |
Refinement
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 8.616 |
f_angle_d | 0.915 |
f_chiral_restr | 0.056 |
f_bond_d | 0.009 |
f_plane_restr | 0.005 |
Sample |
---|
isocitrate dehydrogenase R132C mutant |
Specimen Preparation | |
---|---|
Sample Aggregation State | PARTICLE |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details | Plunged into liquid ethane (LEICA EM GP) |
3D Reconstruction | |
---|---|
Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 49936 |
Reported Resolution (Å) | 3.8 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | The primary map for this entry corresponds to the uncorrected reconstruction. A version sharpened using a B-factor of -180 is provided as additional v ... |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C2 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3MAP) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 QUANTUM (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 60 |
Imaging Experiment | 1 |
---|---|
Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 700 |
Maximum Defocus (nm) | 3000 |
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 | 270000 |
Calibrated Magnification | 101000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
CTF CORRECTION | FREALIGN | 9.10 |
MODEL FITTING | UCSF Chimera | |
MODEL REFINEMENT | PHENIX | |
MODEL REFINEMENT | Coot | |
INITIAL EULER ASSIGNMENT | FREALIGN | 9.10 |
FINAL EULER ASSIGNMENT | FREALIGN | 9.10 |
RECONSTRUCTION | FREALIGN | 9.10 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 499184 |