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H. sapiens MCM2-7 hexamer bound to double stranded DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.7835 f_angle_d 0.4538 f_chiral_restr 0.0396 f_plane_restr 0.0032 f_bond_d 0.0022
Sample H. sapiens MCM2-7 hexamer bound to double stranded DNA Sample Components Double stranded DNA H. sapiens MCM2-7
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 25069 Reported Resolution (Å) 3.2 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 Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 49.19
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz 0.2.4 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1.10 CTF CORRECTION RELION 4.0b-GPU CTF CORRECTION cryoSPARC 3.3.2 MODEL FITTING UCSF ChimeraX 1.6.1 MODEL REFINEMENT PHENIX 1.21_5207 MODEL REFINEMENT ISOLDE INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 FINAL EULER ASSIGNMENT cryoSPARC 3.3.2 RECONSTRUCTION cryoSPARC 3.3.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION