9BLS | pdb_00009bls

Structure of the human mitochondrial Hsp70 (mortalin; R126W mutant) bound to nucleotide exchange factor GrpEL1 (WT)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1DKG 
experimental modelPDB 4PO2 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.179
f_angle_d0.506
f_chiral_restr0.04
f_bond_d0.003
f_plane_restr0.003
Sample
Mortalin(R126W) in complex with GrpEL1(WT)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentHOMEMADE PLUNGER
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsCustom manual plunger. Greater than 95% humidity.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles138296
Reported Resolution (Å)2.96
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1DKG, 4PO2, 1DKG, 1DKG)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value97.9
Fitting Procedure
Details
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)1000
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.3.0
IMAGE ACQUISITIONEPU4.4.1
CTF CORRECTIONcryoSPARC4.3.1
MODEL FITTINGPHENIX1.21
INITIAL EULER ASSIGNMENTcryoSPARC4.3.1
FINAL EULER ASSIGNMENTcryoSPARC4.3.1
CLASSIFICATIONcryoSPARC4.3.1
RECONSTRUCTIONcryoSPARC4.3.1
MODEL REFINEMENTPHENIX1.21
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION3304588