HEXA - hexosaminidase subunit alpha Gene
Also Known as TSD
Species: Homo sapiens
About HEXA
This gene has 49 transcripts (splice variants), 188 orthologues, 1 paralogue and is associated with 6 phenotypes. Ubiquitous expression in placenta (RPKM 36.4), thyroid (RPKM 34.8) and 25 other tissues.
Summary
This gene encodes a member of the glycosyl hydrolase 20 family of proteins. The encoded preproprotein is proteolytically processed to generate the Alpha subunit of the lysosomal enzyme beta-hexosaminidase. This enzyme, together with the cofactor GM2 activator protein, catalyzes the degradation of the ganglioside GM2, and other molecules containing terminal N-acetyl hexosamines. Mutations in this gene lead to an accumulation of GM2 ganglioside in neurons, the underlying cause of neurodegenerative disorders termed the GM2 gangliosidoses, including Tay-Sachs disease (GM2-gangliosidosis type I). Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed. [provided by RefSeq, Jan 2016]
HEXA Products (2)
| mRNA | Protein | Name |
|---|---|---|
| NM_000520.6 | NP_000511.2 | beta-hexosaminidase subunit alpha isoform 2 preproprotein |
| NM_001318825.2 | NP_001305754.1 | beta-hexosaminidase subunit alpha isoform 1 precursor |
| Molecular Function GO Annotation | Evidence | Verweise | Source |
|---|---|---|---|
| enables acetylglucosaminyltransferase activity |
IDA
IDA: Inferred from direct assay
|
25645918 | GOA |
| enables beta-N-acetylhexosaminidase activity |
IDA
IDA: Inferred from direct assay
|
8123671 | GOA |
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
16698036 | GOA |
| enables protein heterodimerization activity |
IDA
IDA: Inferred from direct assay
|
6230359 | GOA |
| Biological Process GO Annotation | Evidence | Verweise | Source |
|---|---|---|---|
| involved in ganglioside catabolic process |
IDA
IDA: Inferred from direct assay
|
8123671 | GOA |
| involved in glycosaminoglycan biosynthetic process |
IDA
IDA: Inferred from direct assay
|
25645918 | GOA |
| involved in glycosaminoglycan metabolic process |
IDA
IDA: Inferred from direct assay
|
11707436 | GOA |
| Cellular Component GO Annotation | Evidence | Verweise | Source |
|---|---|---|---|
| located in azurophil granule |
IDA
IDA: Inferred from direct assay
|
25645918 | GOA |
| part of beta-N-acetylhexosaminidase complex |
IDA
IDA: Inferred from direct assay
|
11707436 | GOA |
| part of beta-N-acetylhexosaminidase complex |
IPI
IPI: Inferred from physical interaction
|
16698036 | GOA |
HEXA Protein Structure
Glycohydro_20b2: beta-acetyl hexosaminidase like (23 - 145)
Glyco_hydro_20: Glycosyl hydrolase family 20, catalytic domain (167 - 487)
- 0
- 100
- 200
- 300
- 400
- 500
- 529 a.a.
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
beta-hexosaminidase subunit alpha |
|
HEXA Protein-protein interaction Information
|
Type
|
Protein Name | Protein ID | Interactor | Interactor Species | Interactor ID | Detection Method | Verweise |
|---|---|---|---|---|---|---|---|
|
Intra
|
HEXA | P06865 | HEXB | Homo sapiens | P07686 | 16698036 | |
|
Intra
|
HEXA | P06865 | HEXB | Homo sapiens | P07686 | 33961781 | |
|
Intra
|
HEXA | P06865 | HEXB | Homo sapiens | P07686 | 28514442 |
Recombinant HEXA Proteins
| Art. -Nr. | Produktname | Accession | Reinheit |
|---|---|---|---|
| HY-P73099 | HEXA/Hexosaminidase A Protein, Human (sf9, His) | AAD13932.1 (L23-T529) | ≥ 95%, as determined by reducing SDS-PAGE. |
HEXA Antibodies
| Art. -Nr. | Produktname | Anwendung | Reactivity |
|---|---|---|---|
| HY-P83979 | HEXA Antibody (YA3676) | WB, FC, ELISA | Human |
| HY-P83979A | HEXA Antibody (YA3676)(PBS only) | WB, FC, ELISA | Human |
Related Diseases
| Diseases | Alias | |
|---|---|---|
| Tay-Sachs Disease |
|
|
| Tay-Sachs Disease, B1 Variant |
|
|
| Tay-Sachs Disease, B Variant, Juvenile Form |
|
|
| Tay-Sachs Disease, B Variant, Infantile Form |
|
|
| Tay-Sachs Disease, B Variant, Adult Form |
|
|
| Gm2-Gangliosidosis, Ab Variant |
|
|
| Gm2 Gangliosidosis |
|
|
| Gangliosidosis |
|
|
| Sandhoff Disease |
|
|
| Hypomyelinating Leukodystrophy |
|
|
| Leukodystrophy |
|
|
| Lysosomal Storage Disease |
|
|
| Gm1 Gangliosidosis |
|
|
| Motor Neuron Disease |
|
|
| Spinal Muscular Atrophy |
|
|
| Gaucher'S Disease |
|
|
| Mucolipidoses |
|
|
| Mucopolysaccharidosis-Plus Syndrome |
|
|
| Metachromatic Leukodystrophy |
|
|
| Chronic Inflammatory Demyelinating Polyneuritis |
|
|
| Animal Phobia |
|
|
| Sensory Peripheral Neuropathy |
|
|
| Sphingolipidosis |
|
|
| Spinocerebellar Ataxia 21 |
|
|
| Toxic Pneumonitis |
|
|
| Muscular Atrophy |
|
|
| Spinocerebellar Ataxia, Autosomal Recessive 4 |
|
|
| Friedreich Ataxia |
|
|
| Niemann-Pick Disease, Type A |
|
|
| Neuronal Ceroid Lipofuscinosis |
|
|
| Amyotrophic Lateral Sclerosis 1 |
|
|
Orthologs Information
| Species | Symbol | Source | ID |
|---|---|---|---|
| Mus musculus | HEXA | MGD | MGI:96073 |
| Rattus norvegicus | HEXA | RGD | RGD:2792 |
| Felis catus | HEXA | VGNC | VGNC:104400 |