7AIP

Structure of Human Potassium Chloride Transporter KCC1 in NaCl (Reference Map)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.0068
f_angle_d0.7825
f_chiral_restr0.0482
f_bond_d0.0064
f_plane_restr0.0046
Sample
Homodimeric complex of human potassium chloride transporter KCC1 in complex with ATP and magnesium
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles818813
Reported Resolution (Å)3.12
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC2
Map-Model Fitting and Refinement
Id1 (6Y5V)
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
DetailsModel fitting with UCSF Chimera, sequence replacement with Chainsaw, manual refinement with Coot, and then real-space automated refinement with Phenix ...Model fitting with UCSF Chimera, sequence replacement with Chainsaw, manual refinement with Coot, and then real-space automated refinement with Phenix was done.
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTCoot
RECONSTRUCTIONcryoSPARC2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION