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Cryo-EM structure of the potassium-selective channelrhodopsin HcKCR1 in lipid nanodisc
Refinement RMS Deviations Key Refinement Restraint Deviation r_long_range_B_other 22.786 r_long_range_B_refined 22.779 r_scangle_other 16.031 r_dihedral_angle_3_deg 14.896 r_scbond_it 11.469 r_scbond_other 11.465 r_mcangle_it 11.006 r_mcangle_other 11.002 r_mcbond_it 8.829 r_mcbond_other 8.827
RMS Deviations Key Refinement Restraint Deviation r_long_range_B_other 22.786 r_long_range_B_refined 22.779 r_scangle_other 16.031 r_dihedral_angle_3_deg 14.896 r_scbond_it 11.469 r_scbond_other 11.465 r_mcangle_it 11.006 r_mcangle_other 11.002 r_mcbond_it 8.829 r_mcbond_other 8.827 r_dihedral_angle_2_deg 6.645 r_dihedral_angle_1_deg 5.414 r_angle_refined_deg 1.431 r_angle_other_deg 0.488 r_chiral_restr 0.083 r_bond_refined_d 0.007 r_gen_planes_refined 0.007 r_gen_planes_other 0.001 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
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Embedding Material Lipid Embedding Details nanodisc composed of MSP1D1E3 and soybean lipids
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 801114 Reported Resolution (Å) 2.56 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 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 FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION