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CryoEM structure of Xenopus KCNQ1 channel
Refinement RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 25.246 r_dihedral_angle_3_deg 13.416 r_long_range_B_refined 13.321 r_long_range_B_other 13.321 r_dihedral_angle_4_deg 11.264 r_scangle_other 9.641 r_mcangle_it 7.466 r_mcangle_other 7.465 r_scbond_it 5.414 r_scbond_other 5.413
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 25.246 r_dihedral_angle_3_deg 13.416 r_long_range_B_refined 13.321 r_long_range_B_other 13.321 r_dihedral_angle_4_deg 11.264 r_scangle_other 9.641 r_mcangle_it 7.466 r_mcangle_other 7.465 r_scbond_it 5.414 r_scbond_other 5.413 r_mcbond_it 4.554 r_mcbond_other 4.553 r_dihedral_angle_1_deg 4.283 r_angle_refined_deg 1.228 r_angle_other_deg 0.882 r_chiral_restr 0.076 r_bond_refined_d 0.007 r_gen_planes_refined 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001 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 Complex of Xenopus KCNQ1 and CaM
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 90-100% humidity
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 69415 Reported Resolution (Å) 3.7 Resolution Method FSC 0.143 CUT-OFF Other Details Entry was refined using space group P4 and cell parameters a=b=c=332.8 and alpha=beta=gamma=90. Refinement Type Symmetry Type POINT Point Symmetry C4
Data Acquisition Detector Type DIRECT ELECTRON DE-64 (8k x 8k) Electron Dose (electrons/Å**2) 1.78
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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION RELION 1.3 RECONSTRUCTION FREALIGN 9.03
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION