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Single particle cryo-EM structure of KvAP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ORS experimental model PDB 1ORQ
Sample KvAP-6E1 Fab complex Sample Components KvAP 6E1 Fab
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot for 4 seconds before plunging.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 67000 Reported Resolution (Å) 5.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 (1ORS, 1ORQ) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 75
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 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 29000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch v0.56_sm61_cu8.0 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf 1.06 MODEL FITTING UCSF Chimera 1.13.1 MODEL FITTING Coot 0.8.9.2 MODEL REFINEMENT PHENIX 1.16 INITIAL EULER ASSIGNMENT cryoSPARC 2.9.0 FINAL EULER ASSIGNMENT FREALIGN 9.11 CLASSIFICATION RELION 3.0.8 RECONSTRUCTION FREALIGN 9.11
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 1800000