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Cryo-EM structure of Tn4430 TnpA transposase from Tn3 family in complex with 100 bp long transposon end DNA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 25.065 f_angle_d 0.806 f_chiral_restr 0.046 f_plane_restr 0.006 f_bond_d 0.004
Sample TnpA-IR100 complex Sample Components hyperactive TnpA mutant S911R DNA substrate
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 206727 Reported Resolution (Å) 2.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value 28.8 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 62
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 300 Minimum Defocus (nm) 1000 Maximum Defocus (nm) 6000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model JEOL CRYOSPECPORTER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.1.0 IMAGE ACQUISITION SerialEM 3.0.8 CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9.5 INITIAL EULER ASSIGNMENT RELION 3.1.0 FINAL EULER ASSIGNMENT RELION 3.1.0 CLASSIFICATION RELION 3.1.0 RECONSTRUCTION RELION 3.1.0 MODEL REFINEMENT PHENIX 1.19.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 861203 cryoSPARC blob picker