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6O9M

Structure of the human apo TFIIH

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(0)
TFIIH basal transcription factor complex helicase XPD subunitpolymer76087021.11UniProt (P18074)
Pfam (PF06733)
Pfam (PF06777)
Pfam (PF13307)
Homo sapiens (Human)Basic transcription factor 2 80 kDa subunit, BTF2 p80, CXPD, DNA excision repair protein ERCC-2, DNA repair protein complementing XP-D cells, TFIIH basal transcription factor complex 80 kDa subunit, TFIIH p80, Xeroderma pigmentosum group D-complementing protein
2B
(1)
General transcription factor IIH subunit 1polymer54862116.51UniProt (P32780)
Pfam (PF08567)
Pfam (PF03909)
Homo sapiens (Human)Basic transcription factor 2 62 kDa subunit,BTF2 p62,General transcription factor IIH polypeptide 1,TFIIH basal transcription factor complex p62 subunit
3C
(2)
General transcription factor IIH subunit 4, p52polymer46252245.21UniProt (Q92759)
Pfam (PF03849)
Pfam (PF18307)
Homo sapiens (Human)Basic transcription factor 2 52 kDa subunit, BTF2 p52, General transcription factor IIH polypeptide 4, TFIIH basal transcription factor complex p52 subunit
4D
(3)
CDK-activating kinase assembly factor MAT1polymer30935874.01UniProt (P51948)
Pfam (PF17121)
Pfam (PF06391)
Homo sapiens (Human)CDK7/cyclin-H assembly factor,Cyclin-G1-interacting protein,Menage a trois,RING finger protein 66,RING finger protein MAT1,p35,p36
5E
(4)
General transcription factor IIH subunit 3polymer30834416.01UniProt (Q13889)
Pfam (PF03850)
Homo sapiens (Human)p34, Basic transcription factor 2 44 kDa subunit, BTF2 p44, General transcription factor IIH polypeptide 2, TFIIH basal transcription factor complex p44 subunit
6F
(5)
General transcription factor IIH subunit 5polymer718060.41UniProt (Q6ZYL4)
Pfam (PF06331)
Homo sapiens (Human)General transcription factor IIH polypeptide 5, TFB5 ortholog, TFIIH basal transcription factor complex TTD-A subunit
7G
(6)
General transcription factor IIH subunit 2polymer39544482.01UniProt (Q13888)
Pfam (PF04056)
Pfam (PF07975)
Homo sapiens (Human)Basic transcription factor 2 44 kDa subunit, BTF2 p44, General transcription factor IIH polypeptide 2, TFIIH basal transcription factor complex p44 subunit
8H
(7)
TFIIH basal transcription factor complex helicase XPB subunitpolymer78289404.71UniProt (P19447)
Pfam (PF13625)
Pfam (PF04851)
Pfam (PF16203)
Homo sapiens (Human)Basic transcription factor 2 89 kDa subunit, BTF2 p89, DNA excision repair protein ERCC-3, DNA repair protein complementing XP-B cells, TFIIH basal transcription factor complex 89 kDa subunit, TFIIH p89, Xeroderma pigmentosum group B-complementing protein
9I
(0)
IRON/SULFUR CLUSTERnon-polymer351.61Chemie (SF4)
10J, K, L, M, N...
(3, 4, 6)
ZINC IONnon-polymer65.46Chemie (ZN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight413619.8
Non-Polymers*Number of molecules7
Total formula weight744.1
All*Total formula weight414363.9
*Water molecules are not included.

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PDB entries from 2025-07-30

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