6XBD

Cryo-EM structure of MlaFEDB in nanodiscs with phospholipid substrates


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.398
f_angle_d0.549
f_chiral_restr0.043
f_bond_d0.003
f_plane_restr0.003
Sample
MlaFEDB complex with two bound phospholipid substrates in MSP1D1 nanodisc
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles731205
Reported Resolution (Å)3.05
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5UW2, 6CM1)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)71
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION2.1
IMAGE ACQUISITIONLeginon
CTF CORRECTIONGctf1.18
CTF CORRECTIONCTFFIND4.1.10
MODEL FITTINGUCSF Chimera
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTcryoSPARC0.6
INITIAL EULER ASSIGNMENTRELION3.0
INITIAL EULER ASSIGNMENTRELION3.1
FINAL EULER ASSIGNMENTcryoSPARC2.12
RECONSTRUCTIONcryoSPARC2.12
MODEL REFINEMENTPHENIX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1283606