8V0Y

The structure of the native cardiac thin filament troponin core in Ca2+-free state from the upper strand activated by the C1-domain of cardiac myosin binding protein C


ELECTRON MICROSCOPY
Sample
thin filament troponin core complex
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles37137
Reported Resolution (Å)7
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsFiltered to 8A
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7KO5, 7UTI, 8DD0)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)34
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)3500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION
MODEL FITTINGPHENIX1.2
MODEL REFINEMENTPHENIX1.2
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTRELION
CLASSIFICATIONRELION
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION11037296