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Structure of human MCM2-7 single hexamer without MCM3 CTE, state 2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7W1Y
Sample human Mini-chromosome maintenance complex
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 110899 Reported Resolution (Å) 4.06 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7W1Y) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value 112.6 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 81000 Calibrated Magnification 47170 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v4.1.2 INITIAL EULER ASSIGNMENT cryoSPARC v4.1.2 FINAL EULER ASSIGNMENT cryoSPARC v4.1.2 CLASSIFICATION cryoSPARC v4.1.2 RECONSTRUCTION cryoSPARC v4.1.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION