☰ Navigation Tabs
Cryo-EM structure of the catalytic core of human telomerase at the initiation state of the repeat addition cycle
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7QXA
Refinement RMS Deviations Key Refinement Restraint Deviation r_long_range_B_refined 40.185 r_long_range_B_other 40.184 r_mcangle_it 23.628 r_mcangle_other 23.626 r_scangle_other 22.762 r_mcbond_it 14.92 r_mcbond_other 14.919 r_scbond_it 14.206 r_scbond_other 14.187 r_dihedral_angle_3_deg 11.377
RMS Deviations Key Refinement Restraint Deviation r_long_range_B_refined 40.185 r_long_range_B_other 40.184 r_mcangle_it 23.628 r_mcangle_other 23.626 r_scangle_other 22.762 r_mcbond_it 14.92 r_mcbond_other 14.919 r_scbond_it 14.206 r_scbond_other 14.187 r_dihedral_angle_3_deg 11.377 r_dihedral_angle_1_deg 8.711 r_dihedral_angle_2_deg 5.69 r_angle_refined_deg 1.538 r_angle_other_deg 0.66 r_chiral_restr 0.124 r_bond_refined_d 0.011 r_gen_planes_refined 0.008 r_gen_planes_other 0.005 r_bond_other_d r_dihedral_angle_4_deg r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Sample Cryo-EM structure of the catalytic core of human telomerase at the initiation state of the repeat addition cycle
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 105598 Reported Resolution (Å) 3.53 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (7QXA) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 48
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 81000 Calibrated Magnification 45872 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 4.0 IMAGE ACQUISITION EPU 2.13.0.3175REL CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9.8.1 MODEL FITTING UCSF ChimeraX 1.5 MODEL REFINEMENT REFMAC 5.8 MODEL REFINEMENT Servalcat 0.4.70 INITIAL EULER ASSIGNMENT RELION 4.0 FINAL EULER ASSIGNMENT RELION 5.0 CLASSIFICATION RELION 5.0 RECONSTRUCTION RELION 5.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 8092334