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Structure of a transcribing RNA polymerase II-U1 snRNP complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6GMH experimental model PDB 3PGW experimental model PDB 4PJO experimental model PDB 4PKD
Sample The transcribing RNA polymerase II-U1 snRNP complex with 145-nt RNA Sample Components RNA polymerase II Nucleic acids U1 snRNP
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 61596 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6GMH, 3PGW, 4PJO, 4PKD) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 1.01
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Warp IMAGE ACQUISITION SerialEM CTF CORRECTION Warp CTF CORRECTION RELION MODEL FITTING Coot MODEL FITTING UCSF Chimera MODEL REFINEMENT PHENIX RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION