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Structure of full-length IP3R1 channel in the apo-state determined by single particle cryo-EM
Sample Inositol 1,4,5-trisphosphate receptor, type 1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot once for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK IV).
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 96106 Reported Resolution (Å) 4.7 Resolution Method FSC 0.143 CUT-OFF Other Details Applied symmetry: C4 Refinement Type Symmetry Type POINT Point Symmetry C4
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 (4k x 4k) Electron Dose (electrons/Å**2) 22
Imaging Experiment 1 Date of Experiment 2014-01-01 Temperature (Kelvin) 100 Microscope Model FEI POLARA 300 Minimum Defocus (nm) 600 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model GATAN LIQUID NITROGEN Nominal Magnification 23000 Calibrated Magnification 30886 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version RECONSTRUCTION EMAN 2.1 RECONSTRUCTION RELION 1.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details CTFFIND3