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Cryo-EM structure of a designed pyridoxal phosphate (PLP) synthase fused to a designed circumsporozoite protein antigen from Plasmodium falciparum (CSP-P1-CSP and CSP-P2-CSP)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4ADS
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.017 f_angle_d 0.4818 f_chiral_restr 0.0437 f_bond_d 0.0042 f_plane_restr 0.0035
Sample Complex of CSP-P1-CSP and CSP-P2-CSP Sample Components CSP-P1-CSP CSP-P2-CSP
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 251050 Reported Resolution (Å) 2.95 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (4ADT, 2ABW) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Cross-correlation coeffcient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 53.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 700 Maximum Defocus (nm) 2000 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 MODEL REFINEMENT PHENIX 1.21.1_5286
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE