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Cryo-EM structure of glycogen phosphorylase from Dorea longicatena (dimer form)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Sample Dimeric structure of DlGP
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 3 microliters droplet, 0 seconds delay before blotting, 1.5 seconds blot, 0 second delay before plunging.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 110303 Reported Resolution (Å) 3.19 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 200 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 Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.7.0 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 4.7.0 MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT cryoSPARC 4.7.0 FINAL EULER ASSIGNMENT cryoSPARC 4.7.0 RECONSTRUCTION cryoSPARC 4.7.0 MODEL REFINEMENT PHENIX 1.21.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 1476535