7nvw

Electron Microscopy
4.3Å resolution

TFIIH in a pre-translocated state (without ADP-BeF3)

Released:
Source organism: Homo sapiens
Primary publication:
Structures of mammalian RNA polymerase II pre-initiation complexes.
Nature 594 124-128 (2021)
PMID: 33902107
Related structures: EMD-12615

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tridecamer (preferred)
PDBe Complex ID:
PDB-CPX-121705 (preferred)
Entry contents:
11 distinct polypeptide molecules
2 distinct DNA molecules
Macromolecules (13 distinct):
General transcription and DNA repair factor IIH helicase subunit XPD Chain: 0
Molecule details ›
Chain: 0
Length: 760 amino acids
Theoretical weight: 87.02 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P18074 (Residues: 1-760; Coverage: 100%)
Gene names: ERCC2, XPD, XPDC
Sequence domains:
General transcription factor IIH subunit 1 Chain: 1
Molecule details ›
Chain: 1
Length: 548 amino acids
Theoretical weight: 62.12 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P32780 (Residues: 1-548; Coverage: 100%)
Gene names: BTF2, GTF2H1
Sequence domains:
General transcription factor IIH subunit 4 Chain: 2
Molecule details ›
Chain: 2
Length: 462 amino acids
Theoretical weight: 52.25 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q92759 (Residues: 1-462; Coverage: 100%)
Gene name: GTF2H4
Sequence domains:
CDK-activating kinase assembly factor MAT1 Chain: 3
Molecule details ›
Chain: 3
Length: 309 amino acids
Theoretical weight: 35.87 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P51948 (Residues: 1-309; Coverage: 100%)
Gene names: CAP35, MAT1, MNAT1, RNF66
Sequence domains:
General transcription factor IIH subunit 3 Chain: 4
Molecule details ›
Chain: 4
Length: 308 amino acids
Theoretical weight: 34.42 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q13889 (Residues: 1-308; Coverage: 100%)
Gene name: GTF2H3
Sequence domains: Transcription factor Tfb4
General transcription factor IIH subunit 5 Chain: 5
Molecule details ›
Chain: 5
Length: 71 amino acids
Theoretical weight: 8.06 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q6ZYL4 (Residues: 1-71; Coverage: 100%)
Gene names: C6orf175, GTF2H5, TTDA
Sequence domains: Transcription factor TFIIH complex subunit Tfb5
General transcription factor IIH subunit 2 Chain: 6
Molecule details ›
Chain: 6
Length: 395 amino acids
Theoretical weight: 44.48 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q13888 (Residues: 1-395; Coverage: 100%)
Gene names: BTF2P44, GTF2H2
Sequence domains:
General transcription and DNA repair factor IIH helicase/translocase subunit XPB Chain: 7
Molecule details ›
Chain: 7
Length: 782 amino acids
Theoretical weight: 89.4 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: P19447 (Residues: 1-782; Coverage: 100%)
Gene names: ERCC3, XPB, XPBC
Sequence domains:
General transcription factor IIE subunit 1 Chain: W
Molecule details ›
Chain: W
Length: 439 amino acids
Theoretical weight: 49.52 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P29083 (Residues: 1-439; Coverage: 100%)
Gene names: GTF2E1, TF2E1
Sequence domains:
Unassigned Peptide, likely XPB Chain: Y
Molecule details ›
Chain: Y
Length: 8 amino acids
Theoretical weight: 699 Da
Source organism: Homo sapiens
Expression system: Trichoplusia ni
Unassigned Peptide, likely TFIIE-Beta Chain: Z
Molecule details ›
Chain: Z
Length: 19 amino acids
Theoretical weight: 1.64 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
Non-template DNA Chain: N
Molecule details ›
Chain: N
Length: 106 nucleotides
Theoretical weight: 32.91 KDa
Template DNA Chain: T
Molecule details ›
Chain: T
Length: 106 nucleotides
Theoretical weight: 32.51 KDa

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 4.3Å
Relevant EMDB volumes: EMD-12615
Expression systems:
  • Trichoplusia ni
  • Escherichia coli