7KO5

Structure of cardiac native thin filament at pCa=5.8 having upper and lower troponins in Ca2+ bound state


ELECTRON MICROSCOPY
Sample
Structure of Ca2+ bound cardiac native thin filament at pCa=5.8
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles15569
Reported Resolution (Å)7.8
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsFiltered to 11A resolution
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (6KN8)
Refinement Space
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
Minimum Defocus (nm)
Maximum Defocus (nm)
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 SELECTIONRELION3.08
CTF CORRECTIONRELION3.08
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION3.08
FINAL EULER ASSIGNMENTRELION3.08
CLASSIFICATIONRELION3.08
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION