☰ Navigation Tabs
C1 symmetry cryoEM structure of the soluble-WRAPed membranous portion of MspA (Mycobacterium smegmatis porin), dimerized along the native interface.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.911 f_angle_d 0.559 f_chiral_restr 0.04 f_plane_restr 0.005 f_bond_d 0.003
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 64941 Reported Resolution (Å) 3.34 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC CTF CORRECTION cryoSPARC MODEL FITTING UCSF Chimera MODEL REFINEMENT UCSF Chimera MODEL REFINEMENT UCSF ChimeraX MODEL REFINEMENT Coot MODEL REFINEMENT PHENIX MODEL REFINEMENT ISOLDE INITIAL EULER ASSIGNMENT cryoSPARC FINAL EULER ASSIGNMENT cryoSPARC CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF 7804230 Template Picker was Used