9MOM | pdb_00009mom

Structure of native murine cardiac thin filament at pCa=5.8 in Ca2+-bound partially activated state (upper strand)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7KO5 
experimental modelPDB 7UTI 
experimental modelPDB 8UZY 
in silico modelAlphaFoldAF-P50752-F1-v4 
Sample
Native murine cardiac 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 Particles67709
Reported Resolution (Å)5.1
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsfiltered to 7 Angstroms
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7KO5, 7UTI, 8UZY)
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 ModelTFS 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 FITTINGPHENIX
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTRELION
CLASSIFICATIONRELION
RECONSTRUCTIONRELION
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION7120025