6NQA

Active state Dot1L bound to the H2B-Ubiquitinated nucleosome, 1-to-1 complex


ELECTRON MICROSCOPY
Sample
Active state Dot1L in complex with the H2B-Ub nucleosome
Sample Components
Dot1L
H2B-Ub nucleosome
histone core
ubiquitin
DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlot once for 3.5 seconds before freezing.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles220681
Reported Resolution (Å)3.54
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1KX3, 1KX3, 1KX3, 1KX3, 1KX3, 1KX3, 1KX3, 1KX3, 1NW3, 1UBQ, 3MVD, 3MVD)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONLatitude
CTF CORRECTIONCTFFIND4.1
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION654532