HEXA - hexosaminidase subunit alpha Gene

Also Known as TSD

Species: Homo sapiens

Gene Type: protein coding
Gene ID: 3073

About HEXA

Cytogenetic location: 15q23 Genomic coordinates (GRCh38): 15:72,340,924-72,376,014 (from NCBI)

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
EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

HEXA Protein Structure

Glycohydro_20b2

Glycohydro_20b2: beta-acetyl hexosaminidase like (23 - 145)

Glyco_hydro_20

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

  • N-acetyl-beta-glucosaminidase 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
Cross: Cross-species interaction Intra: Intraspecies interaction

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
  • Hexosaminidase A Deficiency

  • TSD

  • Hexa Deficiency

  • Gm2 Gangliosidosis, Type 1

  • Hexosaminidase Alpha-Subunit Deficiency

  • Gm2-Gangliosidosis, Several Forms

  • Gm2-Gangliosidosis, B, B1, Ab Variant

  • B Variant Gm2 Gangliosidosis

  • Sphingolipidosis, Tay-Sachs

  • Gm2-Gangliosidosis, Type I

  • B Variant Gm2-Gangliosidosis

  • Hex A Pseudodeficiency

  • Hexa Disorders

  • Beta-Hexosaminidase A Deficiency

  • Gm2 Gangliosidosis, Type I

  • Gangliosidosis Gm2 , Type 1

  • Gm2 Gangliosidosis, B, B1 Variant

  • Gm2-Gangliosidosis 1

  • GM2G1

  • Gm2-Gangliosidosis B Variant

  • Tay-Sachs Disease Pseudo-Ab Variant

  • Tay-Sachs Disease Variant B1

  • Gangliosidoses, Gm2

Tay-Sachs Disease, B1 Variant
  • Gm2 Gangliosidosis, B1 Variant

  • Hexosaminidase A Deficiency, B1 Variant

  • Gm2-Gangliosidosis, Variant B1

Tay-Sachs Disease, B Variant, Juvenile Form
  • Gm2 Gangliosidosis, B Variant, Juvenile Form

  • Hexosaminidase A Deficiency, Juvenile Form

Tay-Sachs Disease, B Variant, Infantile Form
  • Gm2 Gangliosidosis, B Variant, Infantile Form

  • Hexosaminidase A Deficiency, Infantile Form

Tay-Sachs Disease, B Variant, Adult Form
  • Gm2 Gangliosidosis, B Variant, Adult Form

  • Hexosaminidase A Deficiency, Adult Form

Gm2-Gangliosidosis, Ab Variant
  • Hexosaminidase Activator Deficiency

  • Tay-Sachs Disease, Ab Variant

  • Gm2 Gangliosidosis, Ab Variant

  • Gm2 Activator Deficiency

  • Tay-Sachs Disease, Variant Ab

  • Tay-Sachs Disease Ab Variant

  • Ab Variant Gm2-Gangliosidosis

  • Tay-Sachs Variant Ab

  • Ab Variant

  • Activator Deficiency/Gm2 Gangliosidosis

  • Activator-Deficient Tay-Sachs Disease

  • Gm2 Activator Deficiency Disease

  • Gm2 Gangliosidosis, Type Ab

  • Gm2-Gangliosidosis Ab

  • GM2GAB

  • Gm2-Gangliosidosis Ab Variant

  • Gangliosidosis Gm2 Ab Variant

  • Gm2-Gangliosidosis, Variant Ab

Gm2 Gangliosidosis
  • Gangliosidosis Gm2

  • Gangliosidoses, Gm2

Gangliosidosis
  • Gangliosidoses

Sandhoff Disease
  • Total Hexosaminidase Deficiency

  • Hexosaminidases A And B Deficiency

  • Sandhoff Disease, Infantile, Juvenile, And Adult Forms

  • Beta-Hexosaminidase-Beta-Subunit Deficiency

  • Gm2 Gangliosidosis, Type 2

  • Hexosaminidase A And B Deficiency Disease

  • Sandhoff-Jatzkewitz-Pilz Disease

  • Gm2 Gangliosidosis, Type Ii

  • Sandhoff Disease, Infantile Form

  • Sandhoff Disease, Adult Form

  • Sandhoff Disease, Juvenile Form

  • Gm2-Gangliosidosis, Type Ii

  • Sandhoff Jatzkewitz Disease

  • Type Ii Gm2 Gangliosidosis

  • Gm2 Gangliosidosis, 0 Variant

  • Gm2 Gangliosidosis 0 Variant

  • Hexosaminidases A And B Deficiency, Infantile Form

  • Infantile Gm2 Gangliosidosis 0 Variant

  • Adult Gm2 Gangliosidosis 0 Variant

  • Hexosaminidases A And B Deficiency, Adult Form

  • Hexosaminidases A And B Deficiency, Juvenile Form

  • Juvenile Gm2 Gangliosidosis 0 Variant

  • Gm2-Gangliosidosis 2

  • GM2G2

  • Hexosaminidase A And B Deficiency

  • Sd

Hypomyelinating Leukodystrophy
  • Hld

  • Leukodystrophy, Hypomyelinating

Leukodystrophy
  • Leukodystrophies

Lysosomal Storage Disease
  • Lysosomal Storage Diseases

  • Disorder Of Lysosomal Enzyme

  • Inborn Lysosomal Enzyme Disorder

  • Lysosomal Storage Metabolism Disorder

  • Lysosomal Storage Disorder

Gm1 Gangliosidosis
  • Beta-Galactosidase Deficiency

  • Gangliosidosis Gm1

  • Deficiency Of Beta-Galactosidase

  • Beta Galactosidase 1 Deficiency

  • Beta-Galactosidosis

  • Glb 1 Deficiency

  • Beta-Galactosidase-1 Deficiency

  • Beta-Galactosidase-1 Deficiency

  • Glb1 Deficiency

  • Landing Disease

  • Gangliosidosis, Gm1

Motor Neuron Disease
  • Anterior Horn Cell Disease

  • Motor Neuron Diseases

  • Mnd - [Motor Neurone Disease]

  • Lou Gehrig Disease

  • Creeping Palsy

  • Creeping Paralysis

  • Bulbar Motor Neuron Disease

  • Bulbar Syndrome

  • Anterior Horn Cell Disorder

  • Hereditary Motor Neuron Disease

Spinal Muscular Atrophy
  • Sma

  • 5q Sma

  • Proximal Sma

  • Sma-Associated Sma

  • Spinal Amyotrophies

  • Spinal Amyotrophy

  • Spinal Muscle Degeneration

  • Spinal Muscle Wasting

  • Muscular Atrophy Spinal

  • Atrophy, Muscular, Spinal

  • Hereditary Motor Neuronopathy

  • Progressive Muscular Atrophy

  • Sma - [Spinal Muscular Atrophy]

Gaucher'S Disease
  • Gaucher Disease

  • Kerasin Thesaurismosis

  • Glucocerebrosidase Deficiency

  • Glucosylceramidase Deficiency

  • Cerebroside Lipidosis Syndrome

  • Acid Beta-Glucosidase Deficiency

  • Glucosylceramide Beta-Glucosidase Deficiency

  • Acute Cerebral Gaucher Disease

  • Gaucher Splenomegaly

  • Glucocerebrosidosis

  • Glucosyl Cerebroside Lipidosis

  • Kerasin Lipoidosis

  • Lipoid Histiocytosis

  • Glocucerebrosidase Deficiency

  • Sphingolipidosis 1

  • Gaucher Syndrome

  • Gauchers Disease

  • Gd

  • Glucosylceramide Lipidosis

  • Kerasin Histiocytosis

  • Gaucher Disease, Type 1

  • Gaucher Disease, Type 2

Mucolipidoses
Mucopolysaccharidosis-Plus Syndrome
  • Mucopolysaccharidosis

  • Mucopolysaccharidosis-Like Syndrome With Congenital Heart Defects And Hematopoietic Disorders

  • MPSPS

  • Mucopolysaccharidoses

  • Mps

  • Mucopolysaccharidosis-Like Plus Disease

  • Disorders Of Glycosaminoglycan Metabolism

Metachromatic Leukodystrophy
  • Arylsulfatase A Deficiency

  • MLD

  • Arsa Deficiency

  • Sulfatide Lipidosis

  • Metachromatic Leukoencephalopathy

  • Cerebral Sclerosis, Diffuse, Metachromatic Form

  • Cerebroside Sulfatase Deficiency

  • Leukodystrophy, Metachromatic

  • Pseudoarylsulfatase A Deficiency

  • Leukodystrophy Metachromatic

  • Sulfatidosis

  • Metachromatic Leukodystrophy, Late Infantile

  • Metachromatic Leukodystrophy Variant

  • Deficiency Of Cerebroside-Sulfatase

  • Scholz Cerebral Sclerosis

  • Sulfatide Lipoidosis

  • Cerebral Sclerosis Diffuse Metachromatic Form

  • Arylsulfatase A Deficiency Disease

  • Cerebroside Sulphatase Deficiency Disease

  • Greenfield Disease

  • Metachromatic Leukodystrophy, Adult

  • Metachromatic Leukodystrophy, Juvenile

  • Leukodystrophy Metachromatic Adult

  • Leukodystrophy Metachromatic Juvenile

  • Leukodystrophy Metachromatic Late Infantile

  • Metachromatic Leukodystrophy, Adult Type

  • Metachromatic Leukodystrophy, Juvenile Type

  • Metachromatic Leukodystrophy, Infant

  • Greenfield'S Disease

Chronic Inflammatory Demyelinating Polyneuritis
  • Polyradiculoneuropathy, Chronic Inflammatory Demyelinating

Animal Phobia
  • Zoophobia

  • Fear Of Animals

Sensory Peripheral Neuropathy
  • Sensory Neuropathy

  • Peripheral Sensory Neuropathy

  • Hereditary Sensory And Autonomic Neuropathies

Sphingolipidosis
  • Sphingolipidoses

Spinocerebellar Ataxia 21
  • Spinocerebellar Ataxia Type 21

  • SCA21

  • Ataxia, Spinocerebellar, Type 21

Toxic Pneumonitis
  • Acute Chemical Fume Pulmonary Edema

  • Acute Chemical Pulmonary Edema

  • Acute Pulmonary Edema Due To Fumes And/Or Vapors

Muscular Atrophy
  • Muscle Wasting

  • Amyotrophia

  • Wasting - Muscle

  • Skeletal Muscle Atrophy

Spinocerebellar Ataxia, Autosomal Recessive 4
  • SCAR4

  • Scasi

  • Spinocerebellar Ataxia With Saccadic Intrusions

  • Autosomal Recessive Cerebellar Ataxia-Saccadic Intrusion Syndrome

  • Spinocerebellar Ataxia 24

  • Autosomal Recessive Spinocerebellar Ataxia 4

  • Sca24

  • Spinocerebellar Ataxia 24, Formerly

  • Sca24, Formerly

  • Spinocerebellar Ataxia Autosomal Recessive 4

  • Autosomal Recessive Cerebellar Ataxia-Movement Disorder Syndrome

Friedreich Ataxia
  • Friedreich Ataxia 1

  • FRDA

  • Friedreich Ataxia With Retained Reflexes

  • Frda1

  • Fa

  • Friedreich'S Ataxia

  • Hereditary Spinal Ataxia

  • Fa1

  • Friedreich'S Tabes

  • Hereditary Spinal Sclerosis

  • Spinocerebellar Ataxia, Friedreich

  • Friedreich Spinocerebellar Ataxia

  • Friedrich'S Ataxia

Niemann-Pick Disease, Type A
  • Niemann-Pick Disease Type A

  • Sphingomyelin Lipidosis

  • Sphingomyelinase Deficiency

  • Niemann-Pick Disease, Intermediate, Protracted Neurovisceral

  • Acid Sphingomyelinase Deficiency, Neurovisceral Type

  • Asmd, Neurovisceral Type

  • Infantile Neurovisceral Acid Sphingomyelinase Deficiency

  • Infantile Neurovisceral Asmd

  • Npd-A

  • Niemann-Pick Disease A

  • NPDA

  • Classical Niemann-Pick Disease

  • Niemann-Pick Disease Acute Neuronopathic Form

  • Niemann-Pick Disease Acute Neurovisceral Form

  • Niemann-Pick Disease Classical Infantile Form

  • Niemann-Pick Disease Intermediate Protracted Neurovisceral

  • Niemann-Pick Disease Neuronopathic Type

  • Niemann-Pick Disease Type I

  • Npa

  • Niemann-Pick Diseases

Neuronal Ceroid Lipofuscinosis
  • Hereditary Ceroid Lipofuscinosis

  • Batten Disease

  • Ncl

  • Neuronal Ceroid-Lipofuscinoses

  • Lipofuscinosis, Ceroid, Neuronal

  • Juvenile Neuronal Ceroid Lipofuscinosis

  • Cerebromacular Dystrophy

  • Cerebromacular Degeneration

  • Ceroid-Lipofuscinosis

  • Ncl - [Neuronal Ceroid Lipofuscinosis]

  • Amaurotic Familial Idiocy

  • Amaurotic Idiocy

  • Amaurotic Idiot

  • Neuronal Lipofuscinosis

  • Pigmentary Retinal Lipoid Neuronal Heredodegeneration

Amyotrophic Lateral Sclerosis 1
  • Amyotrophic Lateral Sclerosis

  • ALS

  • Lou Gehrig Disease

  • Amyotrophic Lateral Sclerosis Type 1

  • Charcot Disease

  • ALS1

  • Amyotrophic Lateral Sclerosis, Susceptibility To

  • Fals

  • Lou Gehrig'S Disease

  • Mnd

  • Motor Neuron Disease

  • Familial Amyotrophic Lateral Sclerosis

  • Amyotrophic Lateral Sclerosis 1, Familial

  • Amyotrophic Lateral Sclerosis 1, Autosomal Dominant

  • Motor Neuron Disease, Bulbar

  • Motor Neurone Disease

  • Amyotrophic Lateral Sclerosis With Dementia

  • Dementia With Amyotrophic Lateral Sclerosis

  • Motor Neuron Disease, Amyotrophic Lateral Sclerosis

  • Sclerosis, Lateral, Amyotrophic

  • Sclerosis, Lateral, Amyotrophic, Type 1

  • Amyotrophic Sclerosis

  • Als - [Amyotrophic Lateral Sclerosis]

  • Wasting Palsy

  • Amyotrophic Paralysis

  • Amyotrophy Lateral Sclerosis

  • Wasting Paralysis

  • Spinal Progressive Amyotrophy

  • Progressive Atrophic Paralysis

Diseases Alias
Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Waldenstroem'S Macroglobulinemia

Waldenstroem'S Macroglobulinemia

Macroglobulinemia Of Waldenstrom

Lymphoplasmacytic Lymphoma With Igm Gammopathy

Lymphoplasmacytic Lymphoma

Orthologs Information

Species Symbol Source ID
Mus musculus HEXA MGD MGI:96073
Rattus norvegicus HEXA RGD RGD:2792
Felis catus HEXA VGNC VGNC:104400