9IHR | pdb_00009ihr

Closed state with NUQM and with flavoprotein (classification state 1) of Pichia pastoris mitochondrial complex I in cMSP26 nanodiscs


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.8623
f_angle_d0.4081
f_chiral_restr0.0381
f_plane_restr0.0033
f_bond_d0.0016
Sample
Pichia Pastoris (Komagataella phaffi) mitochondrial complex I (NADH:ubiquinone oxidoreductase)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK III
Cryogen NameETHANE
Sample Vitrification Details2s blot time and -10 blot force
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles53716
Reported Resolution (Å)2.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsThe initial model was built into a map using ModelAngelo in RELION v5.0. This was manually inspected in Coot and final refinements with ligand restrai ...The initial model was built into a map using ModelAngelo in RELION v5.0. This was manually inspected in Coot and final refinements with ligand restraints imposed performed in PHENIX v.1.21_5207
Data Acquisition
Detector TypeTFS FALCON 4i (4k x 4k)
Electron Dose (electrons/Å**2)47.79
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1800
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
MODEL REFINEMENTPHENIX1.21_5207
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY1350752