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Structure of the F-actin-tropomyosin complex (Reprocessed)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3J8A
Refinement RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 22.303 r_long_range_B_refined 18.462 r_long_range_B_other 18.462 r_dihedral_angle_3_deg 13.457 r_dihedral_angle_4_deg 10.058 r_scangle_other 9.902 r_mcangle_it 7.748 r_mcangle_other 7.748 r_dihedral_angle_1_deg 6.75 r_scbond_it 5.74
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 22.303 r_long_range_B_refined 18.462 r_long_range_B_other 18.462 r_dihedral_angle_3_deg 13.457 r_dihedral_angle_4_deg 10.058 r_scangle_other 9.902 r_mcangle_it 7.748 r_mcangle_other 7.748 r_dihedral_angle_1_deg 6.75 r_scbond_it 5.74 r_scbond_other 5.74 r_mcbond_it 4.618 r_mcbond_other 4.614 r_angle_refined_deg 1.739 r_angle_other_deg 1.112 r_chiral_restr 0.113 r_bond_refined_d 0.013 r_gen_planes_refined 0.009 r_bond_other_d 0.003 r_gen_planes_other 0.002 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 F-actin-tropomyosin complex Sample Components F-actin tropomyosin
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument GATAN CRYOPLUNGE 3 Cryogen Name ETHANE Sample Vitrification Details Sample was applied to a glow-discharged holey carbon grid, incubated for 10 s and manually blotted for 3 s from the backside with filter paper.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 91000 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details THE TROPOMYOSIN MAP FILTERED TO 6.5 ANGSTROM WAS MERGED WITH THE FINAL F-ACTIN MAP (3.6 ANGSTROM) TO OBTAIN A MAP OF THE ENTIRE F-ACTIN-TROPOMYOSIN CO ... THE TROPOMYOSIN MAP FILTERED TO 6.5 ANGSTROM WAS MERGED WITH THE FINAL F-ACTIN MAP (3.6 ANGSTROM) TO OBTAIN A MAP OF THE ENTIRE F-ACTIN-TROPOMYOSIN COMPLEX. Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.5 Angular Rotation 166.9
Map-Model Fitting and Refinement Id 1 (3J8A) 2 Refinement Space RECIPROCAL Refinement Protocol BACKBONE TRACE RIGID BODY FIT Refinement Target Overall B Value 98 Fitting Procedure Details tropomyosin fitting
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 16
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Cs corrected microscope
EM Software Task Software Package Version PARTICLE SELECTION SPARX IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4 CTF CORRECTION RELION 1.3 MODEL FITTING UCSF Chimera MODEL FITTING iMODFIT MODEL REFINEMENT Coot MODEL REFINEMENT REFMAC INITIAL EULER ASSIGNMENT RELION 1.3 FINAL EULER ASSIGNMENT RELION 1.3 CLASSIFICATION RELION 1.3 CLASSIFICATION SPARX RECONSTRUCTION RELION 1.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 119000