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Structure of human MCM2-7 single hexamer with MCM3-WHD attached to MCM2-CTD, containing Meier-Gorlin Syndrome mutation (MCM3-Q761L)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7W1Y
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.03 f_angle_d 0.469 f_chiral_restr 0.041 f_plane_restr 0.004 f_bond_d 0.002
Sample MCM single hexer with MCM3 Q761L mutation
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 119836 Reported Resolution (Å) 3.3 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 116.6 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 v4.7.1 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC v4.7.1 MODEL FITTING Coot 0.9.8.95 INITIAL EULER ASSIGNMENT cryoSPARC v4.7.1 FINAL EULER ASSIGNMENT cryoSPARC v4.7.1 CLASSIFICATION cryoSPARC v4.7.1 RECONSTRUCTION cryoSPARC v4.7.1 MODEL REFINEMENT PHENIX 1.21.2-5419
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 346061