☰ Navigation Tabs
Cryo-EM structure of F-box helicase 1 (FBH1) bound to an SCF ubiquitin ligase complex and a 3-way DNA fork (substrate structure)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other D_1000299443 in silico model Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 26.351 f_angle_d 0.571 f_chiral_restr 0.042 f_bond_d 0.004 f_plane_restr 0.004
Sample Heterotetrameric SCF-FBH1 protein complex bound to a 3-way DNA fork Sample Components Heterotetrameric SCF-FBH1 protein complex 3-way DNA fork
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 7718 Reported Resolution (Å) 10.27 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 51.8 54.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz PARTICLE SELECTION cryoSPARC MODEL REFINEMENT PHENIX 1.21.2_5419: CTF CORRECTION cryoSPARC INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION