6W5I

Cryo-EM structure of MLL1 in complex with RbBP5, WDR5, SET1, and ASH2L bound to the nucleosome (Class01)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d26.6143
f_angle_d0.6738
f_chiral_restr0.043
f_bond_d0.0054
f_plane_restr0.0046
Sample
MLL1 in complex with RbBP5, WDR5, SET1, and ASH2L bound to the nucleosome
Sample Components
Retinoblastoma-binding protein 5, WD repeat-containing protein 5, Histone-lysine N-methyltransferase 2A, Set1/Ash2 histone methyltransferase complex subunit ASH2
Histone H3.2, Histone H4, Histone H2A type 1, Histone H2B 1.1
DNA
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles13086
Reported Resolution (Å)6.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)64
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY