8T1O

AP2 bound to MSP2N2 nanodisc with Tgn38 cargo peptide; composite map


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.275
f_angle_d0.558
f_chiral_restr0.041
f_plane_restr0.004
f_bond_d0.003
Sample
AP2 bound to MSP2N2 nanodisc with Tgn38 cargo peptide
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsTwo applications of sample.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles268232
Reported Resolution (Å)3.3
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsComposite map was made using the phenix.combine_focused_maps function. Three separate local refinements were combined to make the final map.
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)55
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification45000
Calibrated Magnification45000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC3.2
RECONSTRUCTIONcryoSPARC3.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2100000General model gmodel_phosnet_202005_N63_c17.h5 used for crYOLO picking.