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PAPP-A dimer in complex with its inhibitor STC2
Sample PAPP-A dimer in complex with its endogenous inhibitor STC2 dimer Sample Components Pregnancy-associated plasma protein A Stanniocalcin-2
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details Blot time 4.5 sec
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 3 Reported Resolution (Å) 5.02 Resolution Method FSC 0.143 CUT-OFF Other Details Composite map 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 Initial model source:
alphafold2 models
PAPP-A AF-Q13219-F1
STC2 AF-O76061-F1
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 58 59
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 1800 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) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 3.3 MODEL FITTING Coot CLASSIFICATION cryoSPARC 3 RECONSTRUCTION PHENIX 1.20 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 601179 Topaz train and extraction