7KDV

Murine core lysosomal multienzyme complex (LMC) composed of acid beta-galactosidase (GLB1) and protective protein cathepsin A (PPCA, CTSA)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.3462
f_angle_d0.8386
f_chiral_restr0.048
f_plane_restr0.0066
f_bond_d0.0042
Sample
core lysosomal multienzyme complex composed of CTSA and GLB1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles17591
Reported Resolution (Å)4.59
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1 (3THC, 1IVY)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value116
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)41
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Detailstwo datasets: untilted and 40 degrees tilted
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONcryoSPARC2
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTcryoSPARC2
FINAL EULER ASSIGNMENTcryoSPARC2
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONPatch CTF implemented in cryoSPARC V2