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The cryo-EM structure of CENP-A nucleosome in complex with CENP-C peptide and CENP-N N-terminal domain
Sample CENP-A nucleosome in complex with CENP-C peptide and CNEP-N N-terminal domain Sample Components Histone H3,Histone H3-like centromeric protein A Histone H4 Histone H2A type 1-B/E Histone H2B type 2-E DNA CENP-C Maltodextrin-binding protein,Centromere protein N
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 118294 Reported Resolution (Å) 4.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
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) 1.2
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 200 Minimum Defocus (nm) -1000 Maximum Defocus (nm) -3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 1.4 Imaging Mode BRIGHT FIELD Specimen Holder Model JEOL CRYOSPECPORTER Nominal Magnification 50000 Calibrated Magnification 45454 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.08 CTF CORRECTION Gctf INITIAL EULER ASSIGNMENT RELION 3.08 FINAL EULER ASSIGNMENT RELION 3.08 CLASSIFICATION RELION 3.08 RECONSTRUCTION RELION 3.08
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 421635