Experiment: 8R9V

CryoEM structure of the primed actomyosin-5a complex

ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4ZG4

Sample
Primed actomyosin-5a complex
Sample Components
Unconventional myosin-5a
F-actin

Specimen Preparation
Sample Aggregation State	FILAMENT
Vitrification Instrument	HOMEMADE PLUNGER
Cryogen Name	ETHANE
Sample Vitrification Details	F-actin was mixed with myosin-5a (S1 1 IQ motif, residues 1-797, S217A, DDEK 594-597 deletion) that had been pre-incubated with ATP, and vitrified at ...	F-actin was mixed with myosin-5a (S1 1 IQ motif, residues 1-797, S217A, DDEK 594-597 deletion) that had been pre-incubated with ATP, and vitrified at 10 ms post-mixing

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	93374
Reported Resolution (Å)	4.4
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT

Map-Model Fitting and Refinement
Id	1 (4ZG4)
Refinement Space	REAL
Refinement Protocol	FLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)	61

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)	2000
Maximum Defocus (nm)	4100
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification	130000
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		715731