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Disulfide linked complex of T. ramosa IgA peptidase (IgAse2-4) with human IgA2 Fab' in precatalytic conformation
Sample Disulfide linked complex of T. ramosa IgA peptidase (IgAse) with human IgA2 Fab Sample Components Monomeric IgA peptidase (S328-T806) with mutations E540A C414S D434C C476S C591S. IgA2 Heavy Chain alfa domain 1 and 2 including the hinge region (Q1-P226). IgA2 Lambda Light Chain domains 1 and 2 (Q1-T214) with mutations S127C C216S.
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 105795 Reported Resolution (Å) 2.9 Resolution Method OTHER Other Details dFSC_model 0.5 Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type TFS FALCON 4i (4k x 4k) Electron Dose (electrons/Å**2) 45
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode OTHER Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz MODEL REFINEMENT PHENIX 2.1_6048 CTF CORRECTION cryoSPARC 4.7.1 RECONSTRUCTION Scipion 3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION