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Cryo-EM structure of the human mitochondrial RNA polymerase transcription initiation complex (POLRMT/TFAM/TFB2M/DNA/RNA) with a 2-mer RNA (pppGpA) and GTP poised for catalysis (pre-IC3)
ELECTRON MICROSCOPY
Refinement
RMS Deviations
Key
Refinement Restraint Deviation
f_dihedral_angle_d
18.505
f_angle_d
0.557
f_chiral_restr
0.036
f_plane_restr
0.005
f_bond_d
0.003
Sample
Cryo-EM structure of the human mitochondrial RNA polymerase transcription initiation complex (POLRMT/TFAM/TFB2M/DNA/RNA) with a 2-mer RNA (pppGpA) and GTP poised for catalysis (pre-IC3)
Sample Components
DNA-directed RNA polymerase, mitochondrial
DNA (56-mer)
Dimethyladenosine transferase 2, mitochondrial
Transcription factor A, mitochondrial
Specimen Preparation
Sample Aggregation State
PARTICLE
Vitrification Instrument
FEI VITROBOT MARK IV
Cryogen Name
ETHANE
Sample Vitrification Details
incubated on the grid for 5 seconds prior to double sided blotting for 3.5 seconds at force 1