7TY7

Cryo-EM structure of human Anion Exchanger 1 bound to Bicarbonate


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.612
r_dihedral_angle_3_deg13.971
r_dihedral_angle_4_deg13.964
r_lrange_it11.28
r_lrange_other11.28
r_mcangle_it6.454
r_mcangle_other6.453
r_scangle_it6.442
r_scangle_other6.442
r_dihedral_angle_1_deg4.958
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg28.612
r_dihedral_angle_3_deg13.971
r_dihedral_angle_4_deg13.964
r_lrange_it11.28
r_lrange_other11.28
r_mcangle_it6.454
r_mcangle_other6.453
r_scangle_it6.442
r_scangle_other6.442
r_dihedral_angle_1_deg4.958
r_mcbond_it3.753
r_mcbond_other3.752
r_scbond_it3.64
r_scbond_other3.64
r_angle_other_deg2.212
r_angle_refined_deg1.264
r_symmetry_nbd_other0.183
r_nbtor_refined0.15
r_nbd_refined0.144
r_xyhbond_nbd_refined0.1
r_symmetry_nbtor_other0.068
r_chiral_restr0.045
r_symmetry_xyhbond_nbd_other0.04
r_bond_other_d0.033
r_gen_planes_other0.013
r_gen_planes_refined0.008
r_bond_refined_d0.002
Sample
Dimeric anion exchanger 1 (SLC4A1)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification DetailsBlot force 3 for 3-5 seconds was used and subsequent grids were screened for ice thickness prior to data collection
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles173471
Reported Resolution (Å)3.37
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (4YZF)
Refinement SpaceRECIPROCAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)59.99
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification64000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC
MODEL FITTINGUCSF ChimeraX
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTREFMACservalcat
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION2660401