28KE | pdb_000028ke

Cryo-EM structure of the human holo-TFIIH-XPC-XPA complex bound to bulky lesion-mimic DNA

PDB DOI: https://doi.org/10.2210/pdb28KE/pdb
EM Map EMD-56573: EMDB EMDataResource
NAKB: 28KE

Classification: DNA BINDING PROTEIN
Organism(s): Homo sapiens, synthetic construct
Expression System: Spodoptera frugiperda, Trichoplusia ni
Mutation(s): No

Deposited: 2026-02-04 Released: 2026-05-06
Deposition Author(s): de Martin Garrido, N., Haste, C.A.F., Feng, J., Cronin, N.B., Greber, B.J.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Visualisation of stepwise de-repression of TFIIH in global-genome nucleotide excision repair

de Martin Garrido, N., Haste, C.A.F., Feng, J., Cronin, N.B., Greber, B.J.

To be published.

Macromolecule Content

Total Structure Weight: 595.87 kDa
Atom Count: 24,107
Modeled Residue Count: 2,933
Deposited Residue Count: 5,034
Unique protein chains: 10
Unique nucleic acid chains: 2

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription and DNA repair factor IIH helicase subunit XPB	A	797	Homo sapiens	Mutation(s): 0 Gene Names: ERCC3, XPB, XPBC EC: 3.6.4.12 (PDB Primary Data), 5.6.2.4 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P19447 (Homo sapiens) Explore P19447 Go to UniProtKB: P19447
PHAROS: P19447 GTEx: ENSG00000163161
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P19447
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Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
TFIIH basal transcription factor complex helicase XPD subunit	B	771	Homo sapiens	Mutation(s): 0 Gene Names: ERCC2, XPD, XPDC EC: 3.6.4.12 (PDB Primary Data), 5.6.2.3 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P18074 (Homo sapiens) Explore P18074 Go to UniProtKB: P18074
PHAROS: P18074 GTEx: ENSG00000104884
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P18074
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Reference Sequence

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Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription factor IIH subunit 1	C	591	Homo sapiens	Mutation(s): 0 Gene Names: GTF2H1, BTF2
UniProt & NIH Common Fund Data Resources
Find proteins for P32780 (Homo sapiens) Explore P32780 Go to UniProtKB: P32780
PHAROS: P32780 GTEx: ENSG00000110768
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P32780
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Reference Sequence

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Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription factor IIH subunit 4	D	462	Homo sapiens	Mutation(s): 0 Gene Names: GTF2H4
UniProt & NIH Common Fund Data Resources
Find proteins for Q92759 (Homo sapiens) Explore Q92759 Go to UniProtKB: Q92759
PHAROS: Q92759 GTEx: ENSG00000213780
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q92759
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Reference Sequence

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Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription factor IIH subunit 2	E	395	Homo sapiens	Mutation(s): 0 Gene Names: GTF2H2, BTF2P44
UniProt & NIH Common Fund Data Resources
Find proteins for Q13888 (Homo sapiens) Explore Q13888 Go to UniProtKB: Q13888
GTEx: ENSG00000145736
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q13888
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Reference Sequence

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Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription factor IIH subunit 3	F	308	Homo sapiens	Mutation(s): 0 Gene Names: GTF2H3
UniProt & NIH Common Fund Data Resources
Find proteins for Q13889 (Homo sapiens) Explore Q13889 Go to UniProtKB: Q13889
PHAROS: Q13889 GTEx: ENSG00000111358
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q13889
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Reference Sequence

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Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
General transcription factor IIH subunit 5	G	71	Homo sapiens	Mutation(s): 0 Gene Names: GTF2H5, C6orf175, TTDA
UniProt & NIH Common Fund Data Resources
Find proteins for Q6ZYL4 (Homo sapiens) Explore Q6ZYL4 Go to UniProtKB: Q6ZYL4
PHAROS: Q6ZYL4 GTEx: ENSG00000272047
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q6ZYL4
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Reference Sequence

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Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
CDK-activating kinase assembly factor MAT1	H	309	Homo sapiens	Mutation(s): 0 Gene Names: MNAT1, CAP35, MAT1, RNF66
UniProt & NIH Common Fund Data Resources
Find proteins for P51948 (Homo sapiens) Explore P51948 Go to UniProtKB: P51948
PHAROS: P51948 GTEx: ENSG00000020426
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P51948
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Reference Sequence

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Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA repair protein complementing XP-C cells	I	940	Homo sapiens	Mutation(s): 0 Gene Names: XPC, XPCC
UniProt & NIH Common Fund Data Resources
Find proteins for Q01831 (Homo sapiens) Explore Q01831 Go to UniProtKB: Q01831
PHAROS: Q01831 GTEx: ENSG00000154767
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q01831
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Reference Sequence

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Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
DNA repair protein complementing XP-A cells	J [auth N]	273	Homo sapiens	Mutation(s): 0 Gene Names: XPA, XPAC
UniProt & NIH Common Fund Data Resources
Find proteins for P23025 (Homo sapiens) Explore P23025 Go to UniProtKB: P23025
PHAROS: P23025 GTEx: ENSG00000136936
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P23025
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Reference Sequence

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(by identity cutoff)

Molecule	Chains	Length	Organism
Entity ID: 11
DNA lesion strand	K [auth L]	48	synthetic construct
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Reference Sequence

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Molecule	Chains	Length	Organism
Entity ID: 12
DNA non-lesion strand	L [auth M]	69	synthetic construct
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Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SF4 Query on SF4 Download:Ideal Coordinates CCD File SDF format, chain M [auth B] MOL2 format, chain M [auth B] mmCIF format, chain M [auth B]	M [auth B]	IRON/SULFUR CLUSTER Fe₄ S₄ LJBDFODJNLIPKO-UHFFFAOYSA-N		Interactions Focus chain M [auth B] Interactions & Density Focus chain M [auth B]
ZN Query on ZN Download:Ideal Coordinates CCD File SDF format, chain N [auth E] SDF format, chain O [auth E] SDF format, chain P [auth E] SDF format, chain Q [auth F] SDF format, chain R [auth F] SDF format, chain S [auth N] MOL2 format, chain N [auth E] MOL2 format, chain O [auth E] MOL2 format, chain P [auth E] MOL2 format, chain Q [auth F] MOL2 format, chain R [auth F] MOL2 format, chain S [auth N] mmCIF format, chain N [auth E] mmCIF format, chain O [auth E] mmCIF format, chain P [auth E] mmCIF format, chain Q [auth F] mmCIF format, chain R [auth F] mmCIF format, chain S [auth N]	N [auth E] O [auth E] P [auth E] Q [auth F] R [auth F] N [auth E], O [auth E], P [auth E], Q [auth F], R [auth F], S [auth N]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N		Interactions Focus chain N [auth E] Focus chain O [auth E] Focus chain P [auth E] Focus chain Q [auth F] Focus chain R [auth F] Focus chain S [auth N] Interactions & Density Focus chain N [auth E] Focus chain O [auth E] Focus chain P [auth E] Focus chain Q [auth F] Focus chain R [auth F] Focus chain S [auth N]