9QLN | pdb_00009qln

Human myoferlin (1-1997) in the lipid-free, Ca2+-bound state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.3535
f_angle_d0.9564
f_chiral_restr0.0599
f_plane_restr0.0074
f_bond_d0.0044
Sample
Lipid-free human myoferlin (residues 1-1997) in the Ca2+-bound state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsAfter the application of 3 uL sample (A280~1.15), the grids were blotted for 7-7.5s at a blot force of 3.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles102339
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value174.4
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)39.91
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2300
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARCv4.5
IMAGE ACQUISITIONEPUv.3.6
CTF CORRECTIONcryoSPARCv.4.5
MODEL FITTINGUCSF ChimeraXv.1.8
MODEL FITTINGISOLDE
INITIAL EULER ASSIGNMENTcryoSPARCv.4.5
FINAL EULER ASSIGNMENTcryoSPARCv.4.5
CLASSIFICATIONcryoSPARCv.4.5
RECONSTRUCTIONcryoSPARCv.4.5
MODEL REFINEMENTPHENIX1.21.2_5419
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION9109366