5TQY

ELECTRON MICROSCOPY

Sample

Inhibitor of KappaB Kinase 1 dimer

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details Sample containing IKK1 dimers in SEC buffer was applied onto freshly plasma-treated (6 seconds, Gatan Solarus plasma cleaner) holey carbon C-flat grids (Protochips), adsorbed for 30 seconds, and then plunged into liquid ethane using a manual cryo-plunger in an ambient environment of 4 degrees C.
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 23505
Reported Resolution (Å) 5.2
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target FSC 0.5
Overall B Value 340
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 40
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
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 22500
Calibrated Magnification 38167
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION FindEM ?
IMAGE ACQUISITION Leginon 3.1
CTF CORRECTION CTFFIND ?
MODEL REFINEMENT Rosetta 2015.12.57698
MODEL REFINEMENT PHENIX dev-2499
INITIAL EULER ASSIGNMENT RELION 1.3
FINAL EULER ASSIGNMENT FREALIGN 9.11
CLASSIFICATION FREALIGN 9.11
RECONSTRUCTION FREALIGN 9.11
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION within Relion and Frealign