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GTF2A2
HPA
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  • GTF2A2
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

GTF2A2
Synonyms HsT18745, TFIIA
Gene descriptioni

Full gene name according to HGNC.

General transcription factor IIA subunit 2
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 15
Cytoband q22.2
Chromosome location (bp) 59638062 - 59657541
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

6
Ensembl ENSG00000140307 (version 109)
Entrez gene 2958
HGNC HGNC:4647
UniProt P52657 (UniProt - Evidence at protein level)
neXtProt NX_P52657
GeneCards GTF2A2
Antibodypedia GTF2A2 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

TFIIA is a component of the transcription machinery of RNA polymerase II and plays an important role in transcriptional activation. TFIIA in a complex with TBP mediates transcriptional activity.... show less
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Host-virus interaction, Transcription, Transcription regulation
Gene summary (Entrez)i

Useful information about the gene from Entrez

Accurate transcription initiation on TATA-containing class II genes involves the ordered assembly of RNA polymerase II (POLR2A; MIM 180660) and the general initiation factors TFIIA, TFIIB (MIM 189963), TFIID (MIM 313650), TFIIE (MIM 189962), TFIIF (MIM 189968), TFIIG/TFIIJ, and TFIIH (MIM 189972). The first step involves recognition of the TATA element by the TATA-binding subunit (TBP; MIM 600075) and may be regulated by TFIIA, a factor that interacts with both TBP and a TBP-associated factor (TAF; MIM 600475) in TFIID. TFIIA has 2 subunits (43 and 12 kD) in yeast and 3 subunits in higher eukaryotes. In HeLa extracts, it consists of a 35-kD alpha subunit and a 19-kD beta subunit encoded by the N- and C-terminal regions of GTF2A1 (MIM 600520), respectively, and a 12-kD gamma subunit encoded by GTF2A2 (DeJong et al., 1995).[supplied by OMIM, Mar 2008]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
GTF2A2-202
ENSP00000379372
ENST00000396060
P52657
[Direct mapping] Transcription initiation factor IIA subunit 2
Show all
A0A024R5Z5
[Target identity:100%; Query identity:100%] Transcription initiation factor IIA subunit 2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001091 [RNA polymerase II general transcription initiation factor binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005669 [transcription factor TFIID complex]
GO:0005672 [transcription factor TFIIA complex]
GO:0006366 [transcription by RNA polymerase II]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
GO:0016251 [RNA polymerase II general transcription initiation factor activity]
GO:0017025 [TBP-class protein binding]
GO:0030054 [cell junction]
GO:0042803 [protein homodimerization activity]
GO:0045944 [positive regulation of transcription by RNA polymerase II]
GO:0046982 [protein heterodimerization activity]
GO:0051123 [RNA polymerase II preinitiation complex assembly]
GO:0060261 [positive regulation of transcription initiation by RNA polymerase II]
GO:0061629 [RNA polymerase II-specific DNA-binding transcription factor binding]
Show all
109 aa
12.5 kDa
No 0
GTF2A2-203
ENSP00000379373
ENST00000396061
P52657
[Direct mapping] Transcription initiation factor IIA subunit 2
Show all
A0A024R5Z5
[Target identity:100%; Query identity:100%] Transcription initiation factor IIA subunit 2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001091 [RNA polymerase II general transcription initiation factor binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005669 [transcription factor TFIID complex]
GO:0005672 [transcription factor TFIIA complex]
GO:0006366 [transcription by RNA polymerase II]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
GO:0016251 [RNA polymerase II general transcription initiation factor activity]
GO:0017025 [TBP-class protein binding]
GO:0030054 [cell junction]
GO:0042803 [protein homodimerization activity]
GO:0045944 [positive regulation of transcription by RNA polymerase II]
GO:0046982 [protein heterodimerization activity]
GO:0051123 [RNA polymerase II preinitiation complex assembly]
GO:0060261 [positive regulation of transcription initiation by RNA polymerase II]
Show all
109 aa
12.5 kDa
No 0
GTF2A2-204
ENSP00000379375
ENST00000396063
P52657
[Direct mapping] Transcription initiation factor IIA subunit 2
Show all
A0A024R5Z5
[Target identity:100%; Query identity:100%] Transcription initiation factor IIA subunit 2
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0001091 [RNA polymerase II general transcription initiation factor binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005669 [transcription factor TFIID complex]
GO:0005672 [transcription factor TFIIA complex]
GO:0006366 [transcription by RNA polymerase II]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
GO:0016251 [RNA polymerase II general transcription initiation factor activity]
GO:0017025 [TBP-class protein binding]
GO:0030054 [cell junction]
GO:0042803 [protein homodimerization activity]
GO:0045944 [positive regulation of transcription by RNA polymerase II]
GO:0046982 [protein heterodimerization activity]
GO:0051123 [RNA polymerase II preinitiation complex assembly]
GO:0060261 [positive regulation of transcription initiation by RNA polymerase II]
Show all
109 aa
12.5 kDa
No 0
GTF2A2-205
ENSP00000379376
ENST00000396064
A8MYR4
[Direct mapping] Transcription initiation factor IIA gamma chain
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005672 [transcription factor TFIIA complex]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
Show all
68 aa
7.8 kDa
No 0
GTF2A2-208
ENSP00000418574
ENST00000484743
A0A0B4J1Z5
[Direct mapping] Transcription initiation factor IIA gamma chain
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005634 [nucleus]
GO:0005672 [transcription factor TFIIA complex]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
Show all
74 aa
8.5 kDa
No 0
GTF2A2-210
ENSP00000452648
ENST00000559706
H0YK39
[Direct mapping] Transcription initiation factor IIA gamma chain
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0005634 [nucleus]
GO:0005672 [transcription factor TFIIA complex]
GO:0006367 [transcription initiation at RNA polymerase II promoter]
Show all
72 aa
8.4 kDa
No 0

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