5NP0

Closed dimer of human ATM (Ataxia telangiectasia mutated)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4JSP 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d7.286
f_angle_d1.479
f_chiral_restr0.049
f_bond_d0.024
f_plane_restr0.011
Sample
Dimeric human ATM (Ataxia telangiectasia mutated) kinase
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE
Sample Vitrification Details3 uL of sample/grid blotted for 12 s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles25315
Reported Resolution (Å)5.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (4JSP)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)2.1
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)2500
Maximum Defocus (nm)4000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification97902
Calibrated Magnification35714
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONGautomatchv0.5
IMAGE ACQUISITIONUCSFImage4
CTF CORRECTIONGctfv0.5
MODEL FITTINGCoot0.8.1
MODEL REFINEMENTPHENIX1.10.1_2155
INITIAL EULER ASSIGNMENTRELION1.4
FINAL EULER ASSIGNMENTRELION1.4
CLASSIFICATIONRELION1.4
RECONSTRUCTIONRELION1.4
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY371671