9T4V | pdb_00009t4v

Activation intermediate of ALC1/CHD1L bound to a PARylated nucleosome


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8B0A 
in silico modelAlphaFoldAF-Q86WJ1-F1-v4 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d23.0254
f_angle_d1.2917
f_chiral_restr0.0722
f_plane_restr0.0161
f_bond_d0.0079
Sample
ALC1/CHD1L bound to a PARylated nucleosome
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details3 uL were applied on grid and immediately blotted for 2.5 s at blot force 0.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles15740
Reported Resolution (Å)6.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (8B0A, 8B0A, 8B0A, 8B0A, 8B0A, 8B0A, 8B0A, 8B0A, 8B0A, 8B0A)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)45
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.7.1
IMAGE ACQUISITIONEPU2.6.1
CTF CORRECTIONcryoSPARC4.7.1
MODEL FITTINGUCSF ChimeraX1.10.1
MODEL FITTINGISOLDE1.10.1
MODEL REFINEMENTPHENIX1.21.2-5419
INITIAL EULER ASSIGNMENTcryoSPARC4.7.1
FINAL EULER ASSIGNMENTcryoSPARC4.7.1
CLASSIFICATIONcryoSPARC4.7.1
RECONSTRUCTIONcryoSPARC4.7.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2001174