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HOPX
HPA
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  • HOPX
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.

HOPX
Synonyms HOP, LAGY, NECC1, OB1, SMAP31
Gene descriptioni

Full gene name according to HGNC.

HOP homeobox
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 4
Cytoband q12
Chromosome location (bp) 56647988 - 56681899
Number of transcriptsi

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

12
Ensembl ENSG00000171476 (version 109)
Entrez gene 84525
HGNC HGNC:24961
UniProt Q9BPY8 (UniProt - Evidence at protein level)
neXtProt NX_Q9BPY8
GeneCards HOPX
Antibodypedia HOPX antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Atypical homeodomain protein which does not bind DNA and is required to modulate cardiac growth and development. Acts via its interaction with SRF, thereby modulating the expression of SRF-dependent cardiac-specific genes and cardiac development. Prevents SRF-dependent transcription either by inhibiting SRF binding to DNA or by recruiting histone deacetylase (HDAC) proteins that prevent transcription by SRF. Overexpression causes cardiac hypertrophy (By similarity). May act as a tumor suppressor. Acts as a co-chaperone for HSPA1A and HSPA1B chaperone proteins and assists in chaperone-mediated protein refolding 1.... show less
Molecular function (UniProt)i

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

Developmental protein, Repressor
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

The protein encoded by this gene is a homeodomain protein that lacks certain conserved residues required for DNA binding. It was reported that choriocarcinoma cell lines and tissues failed to express this gene, which suggested the possible involvement of this gene in malignant conversion of placental trophoblasts. Studies in mice suggest that this protein may interact with serum response factor (SRF) and modulate SRF-dependent cardiac-specific gene expression and cardiac development. Multiple alternatively spliced transcript variants have been identified for this gene. [provided by RefSeq, Feb 2009]... 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)
HOPX-201
ENSP00000315198
ENST00000317745
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-202
ENSP00000337330
ENST00000337881
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-203
ENSP00000370654
ENST00000381255
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-204
ENSP00000370659
ENST00000381260
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
94 aa
10.5 kDa
No 0
HOPX-205
ENSP00000396275
ENST00000420433
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0007507 [heart development]
GO:0008016 [regulation of heart contraction]
GO:0016575 [histone deacetylation]
GO:0030154 [cell differentiation]
GO:0043393 [regulation of protein binding]
GO:0043415 [positive regulation of skeletal muscle tissue regeneration]
GO:0045596 [negative regulation of cell differentiation]
GO:0048286 [lung alveolus development]
GO:0051131 [chaperone-mediated protein complex assembly]
GO:0051155 [positive regulation of striated muscle cell differentiation]
GO:1903598 [positive regulation of gap junction assembly]
Show all
91 aa
10.4 kDa
No 0
HOPX-206
ENSP00000424101
ENST00000503639
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-209
ENSP00000422175
ENST00000508121
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-210
ENSP00000452340
ENST00000553379
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-211
ENSP00000450527
ENST00000554144
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
112 aa
12.6 kDa
No 0
HOPX-212
ENSP00000452098
ENST00000555760
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-213
ENSP00000451794
ENST00000556376
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0
HOPX-214
ENSP00000452003
ENST00000556614
Q9BPY8
[Direct mapping] Homeodomain-only protein
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:0000785 [chromatin]
GO:0001829 [trophectodermal cell differentiation]
GO:0003166 [bundle of His development]
GO:0003677 [DNA binding]
GO:0005515 [protein binding]
GO:0005634 [nucleus]
GO:0005737 [cytoplasm]
GO:0006357 [regulation of transcription by RNA polymerase II]
GO:0030154 [cell differentiation]
GO:0045596 [negative regulation of cell differentiation]
GO:0051131 [chaperone-mediated protein complex assembly]
Show all
73 aa
8.3 kDa
No 0

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