SMTL ID : 9r95.1

Cryo-EM structure of the human mitochondrial RNA polymerase transcription initiation complex (POLRMT/TFAM/TFB2M/DNA/RNA) with a slipped 3-mer RNA, pppGpGpA (slipped IC3)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-mer

Ligands

1 x GTP- G- A: RNA (5'-D(*(GTP))-R(P*GP*A)-3')(Non-covalent)

GTP-G-A.1: 11 residues within 4Å: Chain A: R.763, L.774, G.775, R.780, Y.957, V.1107, H.1108, D.1109 Chain E: T.12, C.13, C.14 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Goovaerts, Q. et al., 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). Molecular Cell (2025)

Release Date

2025-07-30

Peptides

DNA-directed RNA polymerase, mitochondrial: A
Dimethyladenosine transferase 2, mitochondrial: B
Transcription factor A, mitochondrial: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

DNA-directed RNA polymerase, mitochondrial

Dimethyladenosine transferase 2, mitochondrial

Transcription factor A, mitochondrial

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