9HJ0 | pdb_00009hj0

Cryo-EM structure of CAK (CDK7 D97N mutant) in complex with Samuraciclib


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8P6V 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.184
f_angle_d0.522
f_chiral_restr0.04
f_plane_restr0.005
f_bond_d0.003
Sample
CDK-activating kinase (CAK)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles133495
Reported Resolution (Å)2.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (8P6V)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)70
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv4.4.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION5.0
CTF CORRECTIONcryoSPARCv4.4.1
MODEL FITTINGUCSF ChimeraX1.2.5
MODEL REFINEMENTPHENIX1.21_5207
INITIAL EULER ASSIGNMENTRELION5.0
FINAL EULER ASSIGNMENTRELION5.0
CLASSIFICATIONRELION
RECONSTRUCTIONRELION5.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION