7XM1 | pdb_00007xm1

Cryo-EM structure of mTIP60-Ba (metal-ion induced TIP60 (K67E) complex with barium ions

ELECTRON MICROSCOPY

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7EQ9

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	3.1736
f_angle_d	0.4272
f_chiral_restr	0.0433
f_bond_d	0.0024
f_plane_restr	0.0022

Sample
mTIP60-Ba

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details	Blotting time was 15 seconds (blot force 5)

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	61251
Reported Resolution (Å)	3.96
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	I

Map-Model Fitting and Refinement
Id	1 (7EQ9)
Refinement Space	REAL
Refinement Protocol	OTHER
Refinement Target	Correlation coefficient
Overall B Value	22.77
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)	50

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TALOS ARCTICA
Minimum Defocus (nm)	1000
Maximum Defocus (nm)	2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS	2.7
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	120000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	RELION	3.1
IMAGE ACQUISITION	EPU
CTF CORRECTION	Gctf
MODEL FITTING	UCSF Chimera
MODEL FITTING	Coot
INITIAL EULER ASSIGNMENT	RELION	3.1
FINAL EULER ASSIGNMENT	RELION	3.1
CLASSIFICATION	RELION	3.1
RECONSTRUCTION	RELION	3.1
MODEL REFINEMENT	PHENIX	1.19

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		113155