8P72

Cryo-EM structure of CAK in complex with inhibitor ICEC0768


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8ORM 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.082
f_angle_d0.584
f_chiral_restr0.041
f_plane_restr0.005
f_bond_d0.003
Sample
CDK-activating kinase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles334554
Reported Resolution (Å)1.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (8ORM)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)70
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification245614
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv3.3.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION4.0 beta
CTF CORRECTIONcryoSPARCv3.3.1
MODEL FITTINGUCSF ChimeraX1.2.5
MODEL REFINEMENTPHENIX1.20.1
INITIAL EULER ASSIGNMENTRELION4.0 beta
FINAL EULER ASSIGNMENTRELION4.0 beta
CLASSIFICATIONRELION4.0 beta
RECONSTRUCTIONRELION4.0 beta
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION