8P6Y

Cryo-EM structure of CAK in complex with nucleotide analogue ATPgS


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.785
f_angle_d0.516
f_chiral_restr0.04
f_plane_restr0.004
f_bond_d0.002
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 Particles126177
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)700
Maximum Defocus (nm)1500
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