9FCI

USP1 bound to KSQ-4279 and ubiquitin conjugated to FANCD2 (focused refinement)


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7ZH4 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.186
f_angle_d0.541
f_chiral_restr0.037
f_plane_restr0.004
f_bond_d0.003
Sample
USP1 BOUND TO KSQ-4279 AND UBIQUITIN CONJUGATED TO FANCD2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles89396
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7ZH4)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value97.9
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC
PARTICLE SELECTIONTopaz
CTF CORRECTIONcryoSPARC
MODEL FITTINGCoot
MODEL FITTINGISOLDE
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX1.20
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION