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Cryo-EM structure of human Anion Exchanger 1 bound to Bicarbonate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4YZF
Refinement RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 28.612 r_dihedral_angle_3_deg 13.971 r_dihedral_angle_4_deg 13.964 r_lrange_it 11.28 r_lrange_other 11.28 r_mcangle_it 6.454 r_mcangle_other 6.453 r_scangle_it 6.442 r_scangle_other 6.442 r_dihedral_angle_1_deg 4.958
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 28.612 r_dihedral_angle_3_deg 13.971 r_dihedral_angle_4_deg 13.964 r_lrange_it 11.28 r_lrange_other 11.28 r_mcangle_it 6.454 r_mcangle_other 6.453 r_scangle_it 6.442 r_scangle_other 6.442 r_dihedral_angle_1_deg 4.958 r_mcbond_it 3.753 r_mcbond_other 3.752 r_scbond_it 3.64 r_scbond_other 3.64 r_angle_other_deg 2.212 r_angle_refined_deg 1.264 r_symmetry_nbd_other 0.183 r_nbtor_refined 0.15 r_nbd_refined 0.144 r_xyhbond_nbd_refined 0.1 r_symmetry_nbtor_other 0.068 r_chiral_restr 0.045 r_symmetry_xyhbond_nbd_other 0.04 r_bond_other_d 0.033 r_gen_planes_other 0.013 r_gen_planes_refined 0.008 r_bond_refined_d 0.002
Sample Dimeric anion exchanger 1 (SLC4A1)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details Blot force 3 for 3-5 seconds was used and subsequent grids were screened for ice thickness prior to data collection
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 173471 Reported Resolution (Å) 3.37 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (4YZF) Refinement Space RECIPROCAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 59.99
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 1800 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 64000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION Leginon CTF CORRECTION cryoSPARC MODEL FITTING UCSF ChimeraX INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC MODEL REFINEMENT REFMAC servalcat
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2660401