7S64 | pdb_00007s64

Intermediate-form oocyte/egg Alpha-2-Macroglobulin (A2Moo) tetramer

ELECTRON MICROSCOPY

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Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	6.52
f_angle_d	0.792
f_chiral_restr	0.049
f_plane_restr	0.007
f_bond_d	0.005

Sample
intermediate-form oocyte/egg Alpha-2-Macroglobulin (A2Moo) tetramer

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	FEI VITROBOT MARK IV
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	11170
Reported Resolution (Å)	6.43
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)	GATAN K2 SUMMIT (4k x 4k)	GATAN K2 SUMMIT (4k x 4k)	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	33.11	38.34	35.27	34.2

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

EM Software
Task	Software Package	Version
MODEL FITTING	UCSF Chimera
MODEL REFINEMENT	PHENIX	1.19.2
FINAL EULER ASSIGNMENT	cryoSPARC	3.2.0
CLASSIFICATION	cryoSPARC	3.2.0
RECONSTRUCTION	cryoSPARC	3.2.0

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