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Influenza A virus (A/NT/60/1968) polymerase dimer of heterotrimer in complex with 5' cRNA promoter
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6QNW
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.5052 f_angle_d 0.976 f_chiral_restr 0.0474 f_bond_d 0.0065 f_plane_restr 0.0054
Sample Influenza A virus (A/NT/60/1968) polymerase dimer of heterotrimer in complex with 5' cRNA promoter Sample Components Influenza A virus (A/NT/60/1968) polymerase dimer of heterotrimer in complex with 5' cRNA promoter Influenza A virus (A/NT/60/1968) polymerase dimer of heterotrimer in complex with 5' cRNA promoter
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3.5 sec before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 36913 Reported Resolution (Å) 4.07 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 (6QNW) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 100 Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 1.32
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION Gctf 1.18 MODEL FITTING UCSF Chimera 1.13 INITIAL EULER ASSIGNMENT RELION 3 FINAL EULER ASSIGNMENT RELION 3 CLASSIFICATION RELION 3 RECONSTRUCTION RELION 3 MODEL REFINEMENT PHENIX 1.14
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 56070