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CryoEM structure of calcium-bound human TMEM16K / Anoctamin 10 in detergent (2mM Ca2+, closed form)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5OC9
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3.5sec prior to plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 70940 Reported Resolution (Å) 3.47 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (5OC9) Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Correlation coef Overall B Value 176 Fitting Procedure Details phenix.real_space_refine with NCS contraints, rotamer, cbeta and ramachandran restraints using postprocessed RELION3 map
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50.9
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1250 Maximum Defocus (nm) 3000 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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Gautomatch 0.53 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1.5 MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION 3 FINAL EULER ASSIGNMENT RELION 3 CLASSIFICATION RELION 3 RECONSTRUCTION RELION 3 MODEL REFINEMENT PHENIX 1.14
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 300992 Particles count after a single round of 2D classification