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HMBOX1
HPA
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  • HMBOX1
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.

HMBOX1
Synonyms FLJ21616, HNF1LA, HOT1, PBHNF
Gene descriptioni

Full gene name according to HGNC.

Homeobox containing 1
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Transcription factors
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 8
Cytoband
Chromosome location (bp) 28890395 - 29064764
Number of transcriptsi

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

9
Ensembl ENSG00000147421 (version 109)
Entrez gene 79618
HGNC HGNC:26137
UniProt Q6NT76 (UniProt - Evidence at protein level)
neXtProt NX_Q6NT76
GeneCards HMBOX1
Antibodypedia HMBOX1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Binds directly to 5'-TTAGGG-3' repeats in telomeric DNA 1, 2. Associates with the telomerase complex at sites of active telomere processing and positively regulates telomere elongation 3. Important for TERT binding to chromatin, indicating a role in recruitment of the telomerase complex to telomeres (By similarity). Also plays a role in the alternative lengthening of telomeres (ALT) pathway in telomerase-negative cells where it promotes formation and/or maintenance of ALT-associated promyelocytic leukemia bodies (APBs) 4. Enhances formation of telomere C-circles in ALT cells, suggesting a possible role in telomere recombination 5. Might also be involved in the DNA damage response at telomeres 6.... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

DNA-binding
Biological process (UniProt)i

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

Transcription, Transcription regulation
Gene summary (Entrez)i

Useful information about the gene from Entrez

Enables double-stranded telomeric DNA binding activity; identical protein binding activity; and sequence-specific double-stranded DNA binding activity. Involved in negative regulation of transcription by RNA polymerase II; positive regulation of telomerase activity; and positive regulation of telomere maintenance via telomerase. Located in several cellular components, including centrosome; chromosome, telomeric region; and nuclear body. [provided by Alliance of Genome Resources, Apr 2022]... 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)
HMBOX1-201
ENSP00000287701
ENST00000287701
Q6NT76
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Transcription factors
   Helix-turn-helix domains
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000122 [negative regulation of transcription by RNA polymerase II]
GO:0000781 [chromosome, telomeric region]
GO:0000785 [chromatin]
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005694 [chromosome]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0015030 [Cajal body]
GO:0016604 [nuclear body]
GO:0016605 [PML body]
GO:0032212 [positive regulation of telomere maintenance via telomerase]
GO:0035563 [positive regulation of chromatin binding]
GO:0042162 [telomeric DNA binding]
GO:0042802 [identical protein binding]
GO:0043565 [sequence-specific DNA binding]
GO:0044877 [protein-containing complex binding]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0045893 [positive regulation of DNA-templated transcription]
GO:0051972 [regulation of telomerase activity]
GO:0051973 [positive regulation of telomerase activity]
GO:1990837 [sequence-specific double-stranded DNA binding]
Show all
420 aa
47.3 kDa
No 0
HMBOX1-202
ENSP00000475196
ENST00000355231
E5RGZ2
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016604 [nuclear body]
GO:0045893 [positive regulation of DNA-templated transcription]
Show all
386 aa
43.7 kDa
No 0
HMBOX1-203
ENSP00000380516
ENST00000397358
Q6NT76
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Transcription factors
   Helix-turn-helix domains
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000122 [negative regulation of transcription by RNA polymerase II]
GO:0000781 [chromosome, telomeric region]
GO:0000785 [chromatin]
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005694 [chromosome]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0015030 [Cajal body]
GO:0016604 [nuclear body]
GO:0016605 [PML body]
GO:0032212 [positive regulation of telomere maintenance via telomerase]
GO:0035563 [positive regulation of chromatin binding]
GO:0042162 [telomeric DNA binding]
GO:0042802 [identical protein binding]
GO:0043565 [sequence-specific DNA binding]
GO:0044877 [protein-containing complex binding]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0045893 [positive regulation of DNA-templated transcription]
GO:0051972 [regulation of telomerase activity]
GO:0051973 [positive regulation of telomerase activity]
GO:1990837 [sequence-specific double-stranded DNA binding]
Show all
420 aa
47.3 kDa
No 0
HMBOX1-206
ENSP00000430059
ENST00000519047
E5RGZ2
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016604 [nuclear body]
GO:0045893 [positive regulation of DNA-templated transcription]
Show all
386 aa
43.7 kDa
No 0
HMBOX1-207
ENSP00000429767
ENST00000519662
E5RHH9
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005634 [nucleus]
GO:0045893 [positive regulation of DNA-templated transcription]
Show all
118 aa
13 kDa
No 0
HMBOX1-210
ENSP00000452827
ENST00000523613
H0YKJ1
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016604 [nuclear body]
GO:0045893 [positive regulation of DNA-templated transcription]
Show all
396 aa
44.5 kDa
No 0
HMBOX1-211
ENSP00000430110
ENST00000524238
Q6NT76
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Transcription factors
   Helix-turn-helix domains
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000122 [negative regulation of transcription by RNA polymerase II]
GO:0000781 [chromosome, telomeric region]
GO:0000785 [chromatin]
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005694 [chromosome]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0015030 [Cajal body]
GO:0016604 [nuclear body]
GO:0016605 [PML body]
GO:0032212 [positive regulation of telomere maintenance via telomerase]
GO:0035563 [positive regulation of chromatin binding]
GO:0042162 [telomeric DNA binding]
GO:0042802 [identical protein binding]
GO:0043565 [sequence-specific DNA binding]
GO:0044877 [protein-containing complex binding]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0045893 [positive regulation of DNA-templated transcription]
GO:0051972 [regulation of telomerase activity]
GO:0051973 [positive regulation of telomerase activity]
GO:1990837 [sequence-specific double-stranded DNA binding]
Show all
443 aa
49.9 kDa
No 0
HMBOX1-212
ENSP00000453211
ENST00000558662
Q6NT76
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Transcription factors
   Helix-turn-helix domains
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000122 [negative regulation of transcription by RNA polymerase II]
GO:0000781 [chromosome, telomeric region]
GO:0000785 [chromatin]
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005694 [chromosome]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0015030 [Cajal body]
GO:0016604 [nuclear body]
GO:0016605 [PML body]
GO:0032212 [positive regulation of telomere maintenance via telomerase]
GO:0035563 [positive regulation of chromatin binding]
GO:0042162 [telomeric DNA binding]
GO:0042802 [identical protein binding]
GO:0043565 [sequence-specific DNA binding]
GO:0044877 [protein-containing complex binding]
GO:0045892 [negative regulation of DNA-templated transcription]
GO:0045893 [positive regulation of DNA-templated transcription]
GO:0051972 [regulation of telomerase activity]
GO:0051973 [positive regulation of telomerase activity]
GO:1990837 [sequence-specific double-stranded DNA binding]
Show all
405 aa
46 kDa
No 0
HMBOX1-215
ENSP00000453185
ENST00000560599
H0YLF2
[Direct mapping] Homeobox-containing protein 1
Show all
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0003677 [DNA binding]
GO:0003691 [double-stranded telomeric DNA binding]
GO:0005634 [nucleus]
GO:0005654 [nucleoplasm]
GO:0005737 [cytoplasm]
GO:0005813 [centrosome]
GO:0005829 [cytosol]
GO:0016604 [nuclear body]
GO:0045893 [positive regulation of DNA-templated transcription]
Show all
364 aa
41 kDa
No 0

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