Skip to main content

 4A7F | pdb_00004a7f

Structure of the Actin-Tropomyosin-Myosin Complex (rigor ATM 3)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3MFP 
experimental modelPDB 1LKX 
Sample
COMPLEX OF F-ACTIN, MYOE AND TROPOMYOSIN
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentGATAN CRYOPLUNGE 3
Cryogen NameETHANE
Sample Vitrification DetailsLIQUID ETHANE
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles5481
Reported Resolution (Å)7.7
Resolution Method
Other DetailsSUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1987 DEPOSITION ID: 10340).
Refinement Type
Symmetry TypeHELICAL
Map-Model Fitting and Refinement
Id1 (3MFP, 1LKX)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
DetailsMETHOD--FLEXIBLE FITTING BY DEN REFINEMENT PROTOCOL--EM
Data Acquisition
Detector TypeTVIPS TEMCAM-F816 (8k x 8k)
Electron Dose (electrons/Å**2)1.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)77
Microscope ModelJEOL 3200FSC
Minimum Defocus (nm)750
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS4.1
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification80000
Calibrated Magnification169644
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging DetailsBEST 836 MICROGRAPHS WERE SELECTED FROM OVER 3000 AQUIRED IMAGES
EM Software
TaskSoftware PackageVersion
MODEL FITTINGDireX
RECONSTRUCTIONSPARX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
INDIVIDUAL PARTICLES