9FE1 | pdb_00009fe1

Cryo-EM structure of the ternary DARPin NY_1/HLA-A0201/NY-ESO1 complex.


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1S9W 
experimental modelOther 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.204
f_angle_d0.851
f_chiral_restr0.051
f_plane_restr0.012
f_bond_d0.005
Sample
Ternary complex formed between the DARPin NY_1 and HLA-A0201/hb2m/NY-ESO1_157-165(9V)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles204743
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (1S9W)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsThe crystal structures of NY_1 and HLA-A0201/NY-ESO1 (PDB 1S9W) were placed into the initial map in ChimeraX. The model was iteratively refined by mod ...The crystal structures of NY_1 and HLA-A0201/NY-ESO1 (PDB 1S9W) were placed into the initial map in ChimeraX. The model was iteratively refined by model building in Coot and ChimeraX-Isolde, as well as Phenix real space refinement with integrated amber force field with Ramachandran, secondary structure and reference structure restraints
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)57.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
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 SELECTIONcryoSPARC3.3.1
IMAGE ACQUISITIONEPU2.8.1
CTF CORRECTIONcryoSPARC3.3.1
MODEL FITTINGUCSF ChimeraX1.1.1
MODEL FITTINGISOLDE1.1.0
MODEL FITTINGCoot0.9.5
MODEL REFINEMENTPHENIX1.19
INITIAL EULER ASSIGNMENTcryoSPARC3.3.1
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
CLASSIFICATIONcryoSPARC3.3.1
RECONSTRUCTIONcryoSPARC3.3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION7726585