9ZBL | pdb_00009zbl

Helical Reconstruction of the Human Cardiac F-Actin-Tropomyosin Complex


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5JLF 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.695
f_angle_d0.618
f_chiral_restr0.046
f_bond_d0.005
f_plane_restr0.003
Sample
Complex of Cardiac F-Actin Containing Mg-ADP with Tropomyosin
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlotting was performed with a blot force of 3 and a blot time of 3 s.
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles1954406
Reported Resolution (Å)2.79
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC3
Axial Rise27.67
Angular Rotation-166.52
Map-Model Fitting and Refinement
Id1 (5jlf)
Refinement Space
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)48.96
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS GLACIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelOTHER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv4.5.3
IMAGE ACQUISITIONcryoSPARCv4.5.3
CTF CORRECTIONcryoSPARCv4.5.3
MODEL FITTINGMDFF1.9.4a53
CLASSIFICATIONcryoSPARCv4.5.3
RECONSTRUCTIONcryoSPARCv4.5.3
MODEL REFINEMENTPHENIX2.0.5867
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2655073