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Structure of the L. blandensis dGTPase H125A mutant bound to dGTP
Sample dGTP triphosphohydrolase
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details 2.5 second blot time (front)
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 120582 Reported Resolution (Å) 2.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry D3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details Apo Cryo-EM model was fit into the EM map for building. dGTP ligands were initially built into the density using Coot.
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 54
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 500 Maximum Defocus (nm) 1500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 45000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION CTF CORRECTION CTFFIND 4.1 MODEL FITTING PHENIX INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 256855 Laplacian-of-Gaussian auto-picking