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Cryo-EM structure of PCAT1 bound to its CtA peptide substrate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4RY2
Sample Ternary complex of a homodimeric PCAT1 ABC transporter with two copies of bound peptide substrate
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 133698 Reported Resolution (Å) 3.35 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4RY2) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target Overall B Value 75 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.33
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 700 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0 IMAGE ACQUISITION Leginon CTF CORRECTION Gctf 1.06 MODEL FITTING REFMAC ccp4i version 7.0 INITIAL EULER ASSIGNMENT RELION 3.0 FINAL EULER ASSIGNMENT cryoSPARC 0.6.5 CLASSIFICATION RELION 3.0 RECONSTRUCTION cryoSPARC v.0.6.5 MODEL REFINEMENT Coot 0.8.9.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING ONLY 572800