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Hexosaminidase B is the beta subunit of the lysosomal enzyme beta-hexosaminidase that, together with the cofactor GM2 activator protein, catalyzes the degradation of the ganglioside GM2, and other molecules containing terminal N-acetyl hexosamines. Beta-hexosaminidase is composed of two subunits, alpha and beta, which are encoded by separate genes. Both beta-hexosaminidase alph... See more...
Aliases for HEXB Gene
Aliases for HEXB Gene
External Ids for HEXB Gene
- HGNC: 4879
- Entrez Gene: 3074
- Ensembl: ENSG00000049860
- OMIM: 606873
- UniProtKB: P07686
Previous GeneCards Identifiers for HEXB Gene
- GC05P072785
- GC05P074213
- GC05P074019
- GC05P074065
- GC05P074016
- GC05P069185
- GC05P073935
Summaries for HEXB Gene
-
Hexosaminidase B is the beta subunit of the lysosomal enzyme beta-hexosaminidase that, together with the cofactor GM2 activator protein, catalyzes the degradation of the ganglioside GM2, and other molecules containing terminal N-acetyl hexosamines. Beta-hexosaminidase is composed of two subunits, alpha and beta, which are encoded by separate genes. Both beta-hexosaminidase alpha and beta subunits are members of family 20 of glycosyl hydrolases. Mutations in the alpha or beta subunit genes lead to an accumulation of GM2 ganglioside in neurons and neurodegenerative disorders termed the GM2 gangliosidoses. Beta subunit gene mutations lead to Sandhoff disease (GM2-gangliosidosis type II). Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2014]
GeneCards Summary for HEXB Gene
HEXB (Hexosaminidase Subunit Beta) is a Protein Coding gene. Diseases associated with HEXB include Sandhoff Disease and Gm2 Gangliosidosis. Among its related pathways are Innate Immune System and Chondroitin sulfate/dermatan sulfate metabolism. Gene Ontology (GO) annotations related to this gene include protein homodimerization activity and hydrolase activity, hydrolyzing O-glycosyl compounds. An important paralog of this gene is HEXA.
UniProtKB/Swiss-Prot Summary for HEXB Gene
-
Responsible for the degradation of GM2 gangliosides, and a variety of other molecules containing terminal N-acetyl hexosamines, in the brain and other tissues.
Additional gene information for HEXB Gene
- Monarch Initiative
- Search for HEXB at DataMed
- Search for HEXB at HumanCyc
No data available for CIViC Summary , PharmGKB "VIP" Summary , Rfam classification and piRNA Summary for HEXB Gene
Genomics for HEXB Gene
GeneHancer (GH) Regulatory Elements for HEXB Gene
Promoters and enhancers for HEXB Gene
- Elite GeneHancer and/or Elite GeneHancer-gene association
Download GeneHancer data from 2017 publication |
Request up-to-date GeneHancer data (full dataset)
GeneHancers around HEXB on UCSC Golden Path with GeneCards custom track
Cistromic (ChIP-Seq) regulation report from SPP (The Signaling Pathways Project) for HEXB
- Top Transcription factor binding sites by QIAGEN in the HEXB gene promoter:
-
- AML1a
- Brachyury
- Cdc5
- E47
- Ik-2
- Pax-4a
- POU2F1
- POU2F1a
- S8
- Tal-1
Genomic Locations for HEXB Gene
Genomic Locations for HEXB Gene
- chr5:74,640,023-74,722,647
- (GRCh38/hg38)
- Size:
- 82,625 bases
- Orientation:
- Plus strand
- chr5:73,935,848-74,018,472
- (GRCh37/hg19)
- Size:
- 82,625 bases
- Orientation:
- Plus strand
Genomic View for HEXB Gene
Genes around HEXB on UCSC Golden Path with GeneCards custom track
- Cytogenetic band:
-
- 5q13.3 by HGNC
- 5q13.3 by Entrez Gene
- 5q13.3 by Ensembl
HEXB Gene in genomic location: bands according to
Ensembl, locations according to GeneLoc
(and/or Entrez Gene and/or Ensembl if different)
Genomic Neighborhood
• Exon Structure
• Gene Density
RefSeq DNA sequence for HEXB Gene
Proteins for HEXB Gene
-
Protein details for HEXB Gene (UniProtKB/Swiss-Prot)
- Protein Symbol:
- P07686-HEXB_HUMAN
- Recommended name:
- Beta-hexosaminidase subunit beta
- Protein Accession:
- P07686
Protein attributes for HEXB Gene
- Size:
- 556 amino acids
- Molecular mass:
- 63111 Da
- Quaternary structure:
-
- There are 3 forms of beta-hexosaminidase: hexosaminidase A is a trimer composed of one subunit alpha, one subunit beta chain A and one subunit beta chain B; hexosaminidase B is a tetramer of two subunit beta chains A and two subunit beta chains B; hexosaminidase S is a homodimer of two alpha subunits. The two beta chains are derived from the cleavage of the beta subunit.
- SequenceCaution:
-
- Sequence=AAA51828.1; Type=Frameshift; Evidence={ECO:0000305}; Sequence=AAA68620.1; Type=Erroneous initiation; Evidence={ECO:0000305};
Protein Expression for HEXB Gene
Selected DME Specific Peptides for HEXB Gene
- P07686:
-
- HLGGDEV
- PRLWPRA
- DTSRHYLP
- LRGLETFSQL
- ARLRGIRV
- EFDTPGHTLSWG
- LSAPWYL
Post-translational modifications for HEXB Gene
- N-linked glycans at Asn-142 and Asn-190 consist of Man(3)-GlcNAc(2) and Man(5 to 7)-GlcNAc(2), respectively.
- The beta-A and beta-B chains are produced by proteolytic processing of the precursor beta chain.
-
Glycosylation at Asn84, Asn142, Asn190, and Asn327
- NX_P07686 (NX_P07686-1)
-
Ubiquitination at Lys465
- NX_P07686 (NX_P07686-1)
- Modification sites at PhosphoSitePlus
-
Glycosylation from GlyConnect
- HEXB_HUMAN (1039)
Other Protein References for HEXB Gene
- ENSEMBL proteins:
- REFSEQ proteins:
Antibody Products
- G Biosciences Immunotag™ HEXB Antibody
- NSJ Bioreagents HEXB Antibody
- Creative Diagnostics Anti-HEXB monoclonal antibody, clone FQS8089
- Creative Biolabs Hi-Affi™ Recombinant Rabbit Anti-HEXB Monoclonal Antibody (DS1588AB)
-
Custom Antibody ServicesOriGene Antibodies for HEXB
- Novus Biologicals Antibodies for HEXB
-
Abcam antibodies for HEXB
- Invitrogen Antibodies for HEXB (AFLGC-HEXB)
-
Boster Bio Antibodies for HEXB
-
Santa Cruz Biotechnology (SCBT) Antibodies for HEXB
- Sino Biological Antibodies for HEXB
Protein Products
- Search Origene for MassSpec and Protein Over-expression Lysates for HEXB
- Origene Custom Protein Services for HEXB
- Sino Biological Recombinant Proteins for HEXB
- Sino Biological Cell Lysates for HEXB
-
Signalway Proteins for HEXB
-
Abcam proteins for HEXB
Assay Products
- RayBiotech Custom Human HEXB ELISA
- Aviva Systems Biology HEXB Colorimetric Cell-Based ELISA Kit (OKAG01191), HEXB ELISA Kit (Human) (OKEH01871), and HEXB ELISA Kit (Human) (OKCD06608)
- antibodies-online: Show 35 available HEXB Elisa Kits ranked by validation data
- Compare Top HEXB Elisa Kits
-
Quality Products:
- ABIN6574183
- ABIN416820
- ABIN1570283
- ABIN5524781
- ABIN5594745
- ABIN5655117
- ABIN2534471
- ABIN5648273
- ABIN4969814
- ABIN6229615
- ABIN424116
- ABIN1570284
- ABIN5594746
- ABIN5655118
- ABIN2534472
- ABIN4969815
- ABIN6229616
- ABIN1123739
- ABIN431432
- ABIN1570285
- ABIN5524782
- ABIN4993767
- ABIN5594747
- ABIN5655119
- ABIN2534473
- ABIN2945636
- ABIN4969816
- ABIN6229617
-
Boster Bio ELISA Kits for HEXB
Domains & Families for HEXB Gene
Gene Families for HEXB Gene
- HGNC:
- Human Protein Atlas (HPA):
-
- Disease related genes
- Enzymes
- Plasma proteins
- Potential drug targets
- Predicted intracellular proteins
Protein Domains for HEXB Gene
- Blocks:
-
- Glycosyl hydrolase family 20 signature
- InterPro:
- ProtoNet:
Suggested Antigen Peptide Sequences for HEXB Gene
- GenScript: Design optimal peptide antigens:
-
- N-acetyl-beta-glucosaminidase subunit beta (HEXB_HUMAN)
Graphical View of Domain Structure for InterPro Entry
P07686- Family:
-
- Belongs to the glycosyl hydrolase 20 family.
Function for HEXB Gene
Molecular function for HEXB Gene
- UniProtKB/Swiss-Prot Function:
- Responsible for the degradation of GM2 gangliosides, and a variety of other molecules containing terminal N-acetyl hexosamines, in the brain and other tissues.
- UniProtKB/Swiss-Prot CatalyticActivity:
- Reaction=Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides.; EC=3.2.1.52;.
- GENATLAS Biochemistry:
- hexosaminidases A & B,beta polypeptide,lyposomal,hydrolyzing glycoproteins,glucosaminoglycans,glycolipids
Enzyme Numbers (IUBMB) for HEXB Gene
Phenotypes From GWAS Catalog for HEXB Gene
| GO ID | Qualified GO term | Evidence | PubMed IDs |
|---|---|---|---|
| GO:0004553 | hydrolase activity, hydrolyzing O-glycosyl compounds | IEA | -- |
| GO:0004563 | beta-N-acetylhexosaminidase activity | IEA | -- |
| GO:0005515 | protein binding | IPI | 16698036 |
| GO:0008375 | acetylglucosaminyltransferase activity | IDA | 25645918 |
| GO:0016787 | hydrolase activity | IEA | -- |
Phenotypes for HEXB Gene
- MGI mutant phenotypes for HEXB:
-
inferred from 4 alleles
- limbs/digits/tail phenotype
- vision/eye phenotype
- homeostasis/metabolism phenotype
- nervous system phenotype
- behavior/neurological phenotype
- endocrine/exocrine gland phenotype
- mortality/aging
- cellular phenotype
- muscle phenotype
- craniofacial phenotype
- liver/biliary system phenotype
- reproductive system phenotype
- skeleton phenotype
- hearing/vestibular/ear phenotype
- renal/urinary system phenotype
- adipose tissue phenotype
- hematopoietic system phenotype
- immune system phenotype
- growth/size/body region phenotype
- GenomeRNAi human phenotypes for HEXB:
Animal Models for HEXB Gene
Animal Model Products
- Taconic Biosciences: Generate A Custom CRISPR Mouse Model For Your Study
CRISPR Products
- Applied Biological Materials (abm): CRISPR Clones for HEXB - Select products 50% OFF >
- * HEXB CRISPR as ready-to-use vector or virus: ORF | Lenti- | Adeno- | AAV- | Protein Vector - Browse All
- * Gene synthesis, site-directed mutagenesis, subcloning, and more services - Browse All
-
OriGene CRISPR knockouts for HEXB
- Search GeneCopoeia for CRISPR/Cas9 clones, lentivirus and AAV products for HEXB
- genomics-online: gRNA clones - Search for available HEXB gRNA products
- Overview of 142 available HEXB gene related products
-
Santa Cruz Biotechnology (SCBT) CRISPR for HEXB
miRNA for HEXB Gene
- miRTarBase miRNAs that target HEXB
miRNA Products
Inhibitory RNA Products
- Origene shrna, sirna, and RNAi products in human, mouse, rat for HEXB
- Browse OriGene Inhibitory RNA Products For HEXB
- Search GeneCopoeia for shRNA, lentivirus and/or AAV clone products for HEXB
- genomics-online: shRNA clones - Search for available HEXB shRNA products
- Overview of 142 available HEXB gene related products
Clone Products
- Applied Biological Materials (abm): Clones for HEXB - Select products 50% OFF >
- * HEXB as ready-to-use vector or virus: ORF | Lenti- | Retro- | Adeno- | AAV- | Protein Vector - Browse All
- * Gene synthesis, site-directed mutagenesis, subcloning, and more services - Browse All
- Sino Biological Human cDNA Clone for HEXB
- Search GeneCopoeia for ORF cDNA, lentivirus, AAV viral particles and/or promoter clone products for HEXB
- genomics-online: cdna clones - Search for available HEXB CDNA products
- Overview of 142 available HEXB gene related products
- orf clones - Search for available HEXB ORF products
- Overview of 142 available HEXB gene related products
No data available for Transcription Factor Targets and HOMER Transcription for HEXB Gene
Localization for HEXB Gene
Subcellular locations from UniProtKB/Swiss-Prot for HEXB Gene
- Lysosome.
| Compartment | Confidence |
|---|---|
| lysosome | 5 |
| extracellular | 4 |
| endoplasmic reticulum | 3 |
| plasma membrane | 1 |
| cytoskeleton | 1 |
| mitochondrion | 1 |
| peroxisome | 1 |
| nucleus | 1 |
| endosome | 1 |
| cytosol | 1 |
| golgi apparatus | 1 |
| GO ID | Qualified GO term | Evidence | PubMed IDs |
|---|---|---|---|
| GO:0001669 | acrosomal vesicle | IEA | -- |
| GO:0005576 | extracellular region | TAS | -- |
| GO:0005615 | extracellular space | IEA | -- |
| GO:0005623 | cell | IEA | -- |
| GO:0005764 | lysosome | IEA | -- |
No data available for Subcellular locations from the Human Protein Atlas (HPA) for HEXB Gene
Pathways & Interactions for HEXB Gene
| SuperPathway | Contained pathways | ||
|---|---|---|---|
| 1 | Glycosaminoglycan metabolism | ||
| 2 | Metabolism |
.40
|
|
| 3 | Innate Immune System |
.61
|
|
| 4 | Chondroitin sulfate/dermatan sulfate metabolism | ||
| 5 | Sphingolipid metabolism | ||
Pathways by source for HEXB Gene
15 Reactome pathways for HEXB Gene
Interacting Proteins for HEXB Gene
Selected Interacting proteins:
P07686-HEXB_HUMAN
ENSP00000261416
for HEXB Gene via
UniProtKB
MINT
STRING
IID
GPS-Prot Interaction Network for HEXB
| GO ID | Qualified GO term | Evidence | PubMed IDs |
|---|---|---|---|
| GO:0001501 | skeletal system development | IEA | -- |
| GO:0005975 | carbohydrate metabolic process | IEA | -- |
| GO:0006687 | glycosphingolipid metabolic process | TAS,IEA | -- |
| GO:0006689 | ganglioside catabolic process | IEA | -- |
| GO:0006874 | cellular calcium ion homeostasis | IEA | -- |
No data available for SIGNOR curated interactions for HEXB Gene
Drugs & Compounds for HEXB Gene
| Name | Status | Disease Links | Group | Role | Mechanism of Action | Clinical Trials |
|---|---|---|---|---|---|---|
| N-Acetyl-D-glucosamine | Approved, Investigational | Nutra | 0 | |||
| Pyrimethamine | Approved, Investigational, Vet_approved | Pharma | Inhibition, Inhibitor, Target | DHFR inhibitor, Potent inhibitor of multidrug and toxin extrusion (MATE) transporters; also DHFR and STAT3 inhibitor | 171 | |
| Chondroitin sulfate | Approved, Investigational | Nutra | Enzyme, substrate | 0 | ||
| Water | Approved | Pharma | 0 | |||
| (2R,3R,4S,5R)-2-acetamido-3,4-dihydroxy-5-hydroxymethyl-piperidine | Experimental | Pharma | Target | 0 |
| Name | Synonyms | Role | CAS Number | PubChem IDs | PubMed IDs | |
|---|---|---|---|---|---|---|
| Chitobiose |
|
577-76-4 |
|
|||
| Ganglioside GA2 (d18:1/12:0) |
|
|
||||
| Ganglioside GA2 (d18:1/16:0) |
|
|
||||
| Ganglioside GA2 (d18:1/18:0) |
|
|
||||
| Ganglioside GA2 (d18:1/20:0) |
|
|
(3) Tocris Compounds for HEXB Gene
| Compound | Action | Cas Number |
|---|---|---|
| Flurofamide | Urease inhibitor | 70788-28-2 |
| SCH 51344 | Potent MTH1 inhibitor | 171927-40-5 |
| WWL 70 | Potent ABHD6 inhibitor | 947669-91-2 |
(1) ApexBio Compounds for HEXB Gene
| Compound | Action | Cas Number |
|---|---|---|
| Flurofamide | 70788-28-2 |
Transcripts for HEXB Gene
mRNA/cDNA for HEXB Gene
- 2 REFSEQ mRNAs :
- 17 NCBI additional mRNA sequence :
- 13 Ensembl transcripts including schematic representations, and UCSC links to gene/alias where relevant :
-
- ENST00000261416 1812 bps (ENST00000261416.12)
- ENST00000503312 756 bps (ENST00000503312.5)
- ENST00000504459 899 bps (ENST00000504459.5)
- ENST00000505859 604 bps (ENST00000505859.1)
- ENST00000509579 806 bps (ENST00000509579.1)
CRISPR Products
- Applied Biological Materials (abm): CRISPR Clones for HEXB - Select products 50% OFF >
- * HEXB CRISPR as ready-to-use vector or virus: ORF | Lenti- | Adeno- | AAV- | Protein Vector - Browse All
- * Gene synthesis, site-directed mutagenesis, subcloning, and more services - Browse All
-
OriGene CRISPR knockouts for HEXB
- Search GeneCopoeia for CRISPR/Cas9 clones, lentivirus and AAV products for HEXB
- genomics-online: gRNA clones - Search for available HEXB gRNA products
- Overview of 142 available HEXB gene related products
-
Santa Cruz Biotechnology (SCBT) CRISPR for HEXB
miRNA Products
Inhibitory RNA Products
- Origene shrna, sirna, and RNAi products in human, mouse, rat for HEXB
- Browse OriGene Inhibitory RNA Products For HEXB
- Search GeneCopoeia for shRNA, lentivirus and/or AAV clone products for HEXB
- genomics-online: shRNA clones - Search for available HEXB shRNA products
- Overview of 142 available HEXB gene related products
Clone Products
- Applied Biological Materials (abm): Clones for HEXB - Select products 50% OFF >
- * HEXB as ready-to-use vector or virus: ORF | Lenti- | Retro- | Adeno- | AAV- | Protein Vector - Browse All
- * Gene synthesis, site-directed mutagenesis, subcloning, and more services - Browse All
- Sino Biological Human cDNA Clone for HEXB
- Search GeneCopoeia for ORF cDNA, lentivirus, AAV viral particles and/or promoter clone products for HEXB
- genomics-online: cdna clones - Search for available HEXB CDNA products
- Overview of 142 available HEXB gene related products
- orf clones - Search for available HEXB ORF products
- Overview of 142 available HEXB gene related products
Relevant External Links for HEXB Gene
- GeneLoc Exon Structure for
- HEXB
Expression for HEXB Gene
mRNA expression in embryonic tissues and stem cells from LifeMap Discovery
- Neural Tube (Nervous System)
-
Blood (Hematopoietic System)
- Monocytes Peripheral Blood
-
Ovary (Reproductive System)
- Ovarian Somatic Cells Ovigerous Cord
- Brain (Nervous System)
- Thyroid (Endocrine System)
- Intestine (Gastrointestinal Tract)
-
Uterus (Reproductive System)
-
Colon (Gastrointestinal Tract)
-
Prostate (Endocrine System)
-
Placenta (Extraembryonic Tissues)
-
Gall Bladder (Hepatobiliary System)
-
Lung (Respiratory System)
-
Kidney (Urinary System)
-
Adrenal Gland (Endocrine System)
-
Stomach (Gastrointestinal Tract)
-
Liver (Hepatobiliary System)
-
Pancreas (Endocrine System)
-
Adipose (Muscoskeletal System)
This gene is overexpressed in Islet of Langerhans (6.3).
Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, MaxQB, and MOPED for HEXB Gene
- Elite partner
Transcriptomic regulation report from SPP (The Signaling Pathways Project) for HEXB
SOURCE GeneReport for Unigene cluster for HEXB Gene:
Hs.69293Evidence on tissue expression from TISSUES for HEXB Gene
- Skin(4.6)
- Liver(4.5)
- Kidney(4.1)
- Nervous system(3.8)
- Lung(3.3)
- Blood(2)
Phenotype-based relationships between genes and organs from Gene ORGANizer for HEXB Gene
Germ Layers:
- ectoderm
- endoderm
- mesoderm
Systems:
- cardiovascular
- digestive
- immune
- integumentary
- lymphatic
- nervous
- reproductive
- respiratory
- skeletal muscle
- skeleton
- urinary
Regions:
Head and neck:
- brain
- cerebellum
- cheek
- cranial nerve
- ear
- eye
- face
- head
- jaw
- lip
- mandible
- maxilla
- mouth
- skull
- tongue
Thorax:
- heart
- heart valve
Abdomen:
- intestine
- large intestine
- liver
- small intestine
- spleen
Pelvis:
- anus
- pelvis
- penis
- prostate
- rectum
- urinary bladder
General:
- blood vessel
- peripheral nerve
- peripheral nervous system
- skin
- spinal column
- spinal cord
- sweat gland
- vertebrae
Primer Products
-
OriGene qPCR primer pairs for HEXB
-
OriGene qPCR primer pairs and template standards for HEXB
- genomics-online: primer clones - Search for available HEXB Primer products
- Overview of 142 available HEXB gene related products
Gene Expression Assay Products
No data available for mRNA differential expression in normal tissues and mRNA Expression by UniProt/SwissProt for HEXB Gene
Orthologs for HEXB Gene
This gene was present in the common ancestor of eukaryotes.
| Organism | Taxonomy | Gene | Similarity | Type | Details |
|---|---|---|---|---|---|
| chimpanzee (Pan troglodytes) |
Mammalia | HEXB 31 30 |
|
OneToOne | |
| dog (Canis familiaris) |
Mammalia | HEXB 31 30 |
|
OneToOne | |
| cow (Bos Taurus) |
Mammalia | HEXB 30 |
|
||
| -- 31 |
|
OneToMany | |||
| -- 31 |
|
OneToMany | |||
| mouse (Mus musculus) |
Mammalia | Hexb 17 31 30 |
|
||
| rat (Rattus norvegicus) |
Mammalia | Hexb 30 |
|
||
| platypus (Ornithorhynchus anatinus) |
Mammalia | HEXB 31 |
|
OneToOne | |
| oppossum (Monodelphis domestica) |
Mammalia | HEXB 31 |
|
OneToOne | |
| chicken (Gallus gallus) |
Aves | HEXB 31 30 |
|
OneToOne | |
| lizard (Anolis carolinensis) |
Reptilia | HEXB 31 |
|
OneToOne | |
| tropical clawed frog (Silurana tropicalis) |
Amphibia | hexb 30 |
|
||
| zebrafish (Danio rerio) |
Actinopterygii | hexa 30 |
|
||
| hexb 31 |
|
OneToOne | |||
| African malaria mosquito (Anopheles gambiae) |
Insecta | AgaP_AGAP010056 30 |
|
||
| fruit fly (Drosophila melanogaster) |
Insecta | Hexo2 31 32 |
|
ManyToMany | |
| Hexo1 31 32 |
|
ManyToMany | |||
| fdl 31 |
|
ManyToMany | |||
| worm (Caenorhabditis elegans) |
Secernentea | hex-1 31 30 |
|
OneToMany | |
| T14F9.3 32 |
|
|
|||
| thale cress (Arabidopsis thaliana) |
eudicotyledons | HEXO1 30 |
|
||
| rice (Oryza sativa) |
Liliopsida | Os05g0115900 30 |
|
||
| Os.9285 30 |
|
||||
| wheat (Triticum aestivum) |
Liliopsida | Ta.20760 30 |
|
||
| corn (Zea mays) |
Liliopsida | Zm.3467 30 |
|
||
| sea squirt (Ciona savignyi) |
Ascidiacea | CSA.7268 31 |
|
OneToMany |
- Species where no ortholog for HEXB was found in the sources mined by GeneCards:
-
- A. gosspyii yeast (Ashbya gossypii)
- Actinobacteria (Mycobacterium tuberculosis)
- African clawed frog (Xenopus laevis)
- Alicante grape (Vitis vinifera)
- alpha proteobacteria (Wolbachia pipientis)
- amoeba (Dictyostelium discoideum)
- Archea (Pyrococcus horikoshii)
- baker's yeast (Saccharomyces cerevisiae)
- barley (Hordeum vulgare)
- beta proteobacteria (Neisseria meningitidis)
- bread mold (Neurospora crassa)
- Chromalveolata (Phytophthora infestans)
- common water flea (Daphnia pulex)
- E. coli (Escherichia coli)
- filamentous fungi (Aspergillus nidulans)
- Firmicute bacteria (Streptococcus pneumoniae)
- fission yeast (Schizosaccharomyces pombe)
- green algae (Chlamydomonas reinhardtii)
- honey bee (Apis mellifera)
- K. lactis yeast (Kluyveromyces lactis)
- loblloly pine (Pinus taeda)
- malaria parasite (Plasmodium falciparum)
- medicago trunc (Medicago Truncatula)
- moss (Physcomitrella patens)
- orangutan (Pongo pygmaeus)
- pig (Sus scrofa)
- rainbow trout (Oncorhynchus mykiss)
- rice blast fungus (Magnaporthe grisea)
- schistosome parasite (Schistosoma mansoni)
- sea anemone (Nematostella vectensis)
- sea urchin (Strongylocentrotus purpuratus)
- sorghum (Sorghum bicolor)
- soybean (Glycine max)
- stem rust fungus (Puccinia graminis)
- sugarcane (Saccharum officinarum)
- tomato (Lycopersicon esculentum)
- toxoplasmosis (Toxoplasma gondii)
- Trichoplax (Trichoplax adhaerens)
Evolution for HEXB Gene
- ENSEMBL:
- Gene Tree for HEXB (if available)
- TreeFam:
- Gene Tree for HEXB (if available)
- Aminode:
- Evolutionary constrained regions (ECRs) for HEXB: view image
Paralogs for HEXB Gene
Variants for HEXB Gene
Sequence variations, with clinical significance, from ClinVar and Humsavar, with links to dbSNP for HEXB Gene
| SNP ID | Clinical significance and condition | Chr 05 pos | Variation | AA Info | Type |
|---|---|---|---|---|---|
| 3885 | Pathogenic: Sandhoff disease, infantile | 74,715,695(+) | G/C | INTRON_VARIANT | |
| 3886 | Pathogenic: Sandhoff disease, infantile | 74,685,335(+) | GA/G | FRAMESHIFT_VARIANT,INTRON_VARIANT | |
| 635313 | Uncertain Significance: Sandhoff disease | 74,720,458(+) | G/C | MISSENSE_VARIANT | |
| 643231 | Uncertain Significance: Sandhoff disease | 74,689,438(+) | G/A | MISSENSE_VARIANT,FIVE_PRIME_UTR_VARIANT | |
| 646671 | Uncertain Significance: Sandhoff disease | 74,721,129(+) | C/T | MISSENSE_VARIANT |
| Variant ID | Type | Subtype | PubMed ID |
|---|---|---|---|
| esv21716 | CNV | loss | 19812545 |
| esv2730312 | CNV | deletion | 23290073 |
| esv3570193 | CNV | loss | 25503493 |
| esv3605432 | CNV | loss | 21293372 |
| esv3605433 | CNV | loss | 21293372 |
| esv3605434 | CNV | loss | 21293372 |
| esv3605435 | CNV | gain | 21293372 |
| nsv1143136 | CNV | tandem duplication | 24896259 |
| nsv1152700 | CNV | duplication | 26484159 |
| nsv521024 | CNV | loss | 19592680 |
| nsv598652 | CNV | loss | 21841781 |
| nsv598653 | CNV | loss | 21841781 |
Residual Variation Intolerance Score:
42.3% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score:
6.74;
78.83% of all genes are more intolerant (likely to be disease-causing)
Additional Variant Information for HEXB Gene
SNP Genotyping and Copy Number Assay Products
No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for HEXB Gene
Disorders for HEXB Gene
(14) MalaCards diseases for HEXB Gene - From: UniProtKB/Swiss-Prot, OMIM, ClinVar, GTR, Orphanet, DISEASES, Novoseek, and GeneCards
| Disorder | Aliases | PubMed IDs |
|---|---|---|
| sandhoff disease |
|
|
| gm2 gangliosidosis |
|
|
| gangliosidosis |
|
|
| tay-sachs disease |
|
|
| lysosomal storage disease |
|
Search HEXB in MalaCards
View complete list of genes associated with diseases
UniProtKB/Swiss-Prot
HEXB_HUMAN- GM2-gangliosidosis 2 (GM2G2) [MIM:268800]: An autosomal recessive lysosomal storage disease marked by the accumulation of GM2 gangliosides in the neuronal cells. Clinically indistinguishable from GM2-gangliosidosis type 1, presenting startle reactions, early blindness, progressive motor and mental deterioration, macrocephaly and cherry-red spots on the macula. {ECO:0000269 PubMed:1531140, ECO:0000269 PubMed:1720305, ECO:0000269 PubMed:7557963, ECO:0000269 PubMed:7626071, ECO:0000269 PubMed:7633435, ECO:0000269 PubMed:8357844, ECO:0000269 PubMed:8950198, ECO:0000269 PubMed:9401004, ECO:0000269 PubMed:9694901, ECO:0000269 PubMed:9856491}. Note=The disease is caused by mutations affecting the gene represented in this entry.
Genatlas disease for HEXB Gene
Sandhoff disease;GM2 gangliosidosis II (HEXA & B deficiency)
Additional Disease Information for HEXB
- Genetic Association Database
- (GAD)
- Human Genome Epidemiology Navigator
- (HuGE)
- ATLAS of Genetics and Cytogenetics in Oncology and Haematology
Publications for HEXB Gene
- Significance of two point mutations present in each HEXB allele of patients with adult GM2 gangliosidosis (Sandhoff disease) homozygosity for the Ile207-->Val substitution is not associated with a clinical or biochemical phenotype. (PMID: 8950198) Redonnet-Vernhet I … Levade T (Biochimica et biophysica acta 1996) 3 4 23 41 54
- Common HEXB polymorphisms reduce serum HexA and HexB enzymatic activities, potentially masking Tay-Sachs disease carrier identification. (PMID: 16352452) Vallance H … Kaback M (Molecular genetics and metabolism 2006) 3 23 41 54
- The X-ray crystal structure of human beta-hexosaminidase B provides new insights into Sandhoff disease. (PMID: 12706724) Maier T … Saenger W (Journal of molecular biology 2003) 3 4 23 54
- Complete analysis of the glycosylation and disulfide bond pattern of human beta-hexosaminidase B by MALDI-MS. (PMID: 11447134) Schuette CG … Sandhoff K (Glycobiology 2001) 3 4 23 54
- A Pro504 --> Ser substitution in the beta-subunit of beta-hexosaminidase A inhibits alpha-subunit hydrolysis of GM2 ganglioside, resulting in chronic Sandhoff disease. (PMID: 9694901) Hou Y … Mahuran D (The Journal of biological chemistry 1998) 3 4 23 54
ExternalLinks
Products for HEXB Gene
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- antibodies-online: Show 17 available HEXB Proteins ranked by validation data
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Sources for HEXB Gene
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