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Cryo-EM structure of Tn4430 TnpA transposase from Tn3 family in complex with 48 bp long transposon end DNA
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.648 f_angle_d 0.823 f_chiral_restr 0.046 f_plane_restr 0.006 f_bond_d 0.005
Sample TnpA-IR48 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 478011 Reported Resolution (Å) 3.1 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 12.4 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) 600 Maximum Defocus (nm) 4700 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 2635462 cryoSPARC blob picker