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Cryo-EM structure of Candida albicans pH regulated antigen 1 (Pra1) protein in the absence of Zn2+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.408 f_angle_d 0.5013 f_chiral_restr 0.0434 f_bond_d 0.0038 f_plane_restr 0.0028
Sample Hexameric assembly of Pra1 protein in the absence of zinc
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 607405 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Non-uniform refinement in CryoSPARC 4.4 was used for the final reconstruction 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 GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 63.2
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2400 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 IMAGE ACQUISITION EPU MODEL FITTING Coot 0.9.8.7 MODEL FITTING UCSF Chimera 1.16 INITIAL EULER ASSIGNMENT cryoSPARC 4.4 FINAL EULER ASSIGNMENT cryoSPARC 4.4 RECONSTRUCTION cryoSPARC 4.4 MODEL REFINEMENT PHENIX 1.21.2_5419 MODEL REFINEMENT Coot 0.9.8.7
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION