GTF2H1
General transcription factor IIH subunit 1
Also known as: BTF2, P62, TF2H1_HUMAN, TFIIH
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- P32780
- Gene
- GTF2H1
- Ensembl
- ENSG00000110768
- Chromosome
- 11
- Canonical length
- 548 aa
- Protein class
- Cancer-related genes, Predicted intracellular proteins
- Subcellular location
- Nucleoplasm
OverviewNCBI Gene
Enables nuclear thyroid hormone receptor binding activity. Involved in positive regulation of DNA-templated transcription and transcription initiation at RNA polymerase II promoter. Located in nucleoplasm. Part of transcription factor TFIIH core complex and transcription factor TFIIH holo complex. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
548 residues, UniProt reviewed canonical sequence.
>P32780|GTF2H1
1 MATSSEEVLL IVKKVRQKKQ DGALYLMAER IAWAPEGKDR FTISHMYADI KCQKISPEGK
61 AKIQLQLVLH AGDTTNFHFS NESTAVKERD AVKDLLQQLL PKFKRKANKE LEEKNRMLQE
121 DPVLFQLYKD LVVSQVISAE EFWANRLNVN ATDSSSTSNH KQDVGISAAF LADVRPQTDG
181 CNGLRYNLTS DIIESIFRTY PAVKMKYAEN VPHNMTEKEF WTRFFQSHYF HRDRLNTGSK
241 DLFAECAKID EKGLKTMVSL GVKNPLLDLT ALEDKPLDEG YGISSVPSAS NSKSIKENSN
301 AAIIKRFNHH SAMVLAAGLR KQEAQNEQTS EPSNMDGNSG DADCFQPAVK RAKLQESIEY
361 EDLGKNNSVK TIALNLKKSD RYYHGPTPIQ SLQYATSQDI INSFQSIRQE MEAYTPKLTQ
421 VLSSSAASST ITALSPGGAL MQGGTQQAIN QMVPNDIQSE LKHLYVAVGE LLRHFWSCFP
481 VNTPFLEEKV VKMKSNLERF QVTKLCPFQE KIRRQYLSTN LVSHIEEMLQ TAYNKLHTWQ
541 SRRLMKKTLocalizationUniProt · AlphaFold · HPA
Whether an antibody against GTF2H1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.42
- Highest tissue expression
- 25 nTPM
Expression across tissuesHPA
Tissue
- testis: 25 nTPM
- cerebellum: 20 nTPM
- blood vessel: 20 nTPM
- skin: 19 nTPM
- esophagus: 19 nTPM
- ovary: 18 nTPM
Single-cell type
- choroid plexus epithelial cells: 90 nCPM
- podocytes: 53 nCPM
- brain inhibitory neurons: 51 nCPM
- oligodendrocytes: 49 nCPM
- microglia: 47 nCPM
- brain excitatory neurons: 47 nCPM
Immune cell
- basophil: 11 nTPM
- NK-cell: 7.6 nTPM
- non-classical monocyte: 6 nTPM
- naive CD4 T-cell: 5.8 nTPM
- naive B-cell: 5.7 nTPM
- eosinophil: 5.4 nTPM
Brain region
- choroid plexus: 22 nTPM
- cerebellum: 16 nTPM
- white matter: 16 nTPM
- cerebral cortex: 14 nTPM
- thalamus: 13 nTPM
- basal ganglia: 13 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.29
- gnomAD pLI
- 0.99
- gnomAD missense Z
- 1.8
- DepMap mean gene effect
- -0.76
- DepMap dependency class
- common
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- DNA repair
- hormone-mediated signaling pathway
- nucleotide-excision repair
- positive regulation of DNA-templated transcription
- regulation of cyclin-dependent protein serine/threonine kinase activity
- transcription by RNA polymerase I
- transcription by RNA polymerase II
- transcription initiation at RNA polymerase II promoter
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- BSD domain
- PH-like domain superfamily
- BSD domain superfamily
- BSD domain
- TFIIH p62 subunit, N-terminal
- TFIIH subunit Tfb1/GTF2H1
- TFIIH p62 subunit, N-terminal domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of GTF2H1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads GTF2H1 as an antibody target. Whether an autoantibody or antibody against GTF2H1 could matter depends on whether native GTF2H1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
GTF2H1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label GTF2H1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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