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Structure of RecT protein from Listeria innoccua phage A118 in complex with 83-mer annealed duplex
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.6259 f_angle_d 0.5056 f_chiral_restr 0.0393 f_bond_d 0.0024 f_plane_restr 0.0022
Sample RecT protein from Listeria innocua phage A118, complexed with two complementary strands of ssDNA that were added to the protein sequentially
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details 1.5 second blot time. Ted Pella 595 filter paper.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 390000 Reported Resolution (Å) 3.4 Resolution Method FSC 0.143 CUT-OFF Other Details Tight Mask FSC resolution was 3.4; No mask FSC resolution was 4.3 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 Phenix Real Space Refinement included secondary restraints and 10-fold NCS constraints.
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 66
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 2.15.0 MODEL FITTING Coot 0.8.7 RECONSTRUCTION cryoSPARC 2.15.0 MODEL REFINEMENT PHENIX 1.20.1-4487
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTD estimation was implemented in cryoSPARC with am amplitude contrast of 0.1 1000