Gene/Proteome Database (LMPD)
Proteins
| Protein HEX-1 | |
|---|---|
| Refseq ID | NP_508409 |
| Protein GI | 17569815 |
| UniProt ID | Q22492 |
| mRNA ID | NM_076008 |
| Length | 555 |
| RefSeq Status | REVIEWED |
| MRLLIPILIFALITTAVTWFYGRDDPDRWSVGGVWPLPKKIVYGSKNRTITYDKIGIDLGDKKDCDILLSMADNYMNKWLFPFPVEMKTGGTEDFIITVTVKDECPSGPPVHGASEEYLLRVSLTEAVINAQTVWGALRAMESLSHLVFYDHKSQEYQIRTVEIFDKPRFPVRGIMIDSSRHFLSVNVIKRQLEIMSMNKLNVLHWHLVDSESFPYTSVKFPELHGVGAYSPRHVYSREDIADVIAFARLRGIRVIPEFDLPGHTSSWRGRKGFLTECFDEKGVETFLPNLVDPMNEANFDFISEFLEEVTETFPDQFLHLGGDEVSDYIVECWERNKKIRKFMEEKGFGNDTVLLENYFFEKLYKIVENLKLKRKPIFWQEVFDNNIPDPNAVIHIWKGNTHEEIYEQVKNITSQNFPVIVSACWYLNYIKYGADWRDEIRGTAPSNSRYYYCDPTNFNGTVAQKELVWGGIAAIWGELVDNTNIEARLWPRASAAAERLWSPAEKTQRAEDAWPRMHELRCRLVSRGYRIQPNNNPDYCPFEFDEPPATKTEL | |
Gene Information
Gene Ontology (GO Annotations)
| GO ID | Source | Type | Description |
|---|---|---|---|
| GO:0005764 | IEA:UniProtKB-KW | C | lysosome |
| GO:0004563 | IDA:UniProtKB | F | beta-N-acetylhexosaminidase activity |
| GO:0015929 | IDA:WormBase | F | hexosaminidase activity |
| GO:0005975 | IDA:UniProtKB | P | carbohydrate metabolic process |
KEGG Pathway Links
REACTOME Pathway Links
Domain Information
InterPro Annotations
| Accession | Description |
|---|---|
| IPR029019 | Beta-hexosaminidase, eukaryotic type, N-terminal |
| IPR025705 | Beta_hexosaminidase_sua/sub |
| IPR029018 | Chitobiase/beta-hexosaminidase domain 2-like |
| IPR015883 | Glycoside hydrolase family 20, catalytic core |
| IPR017853 | Glycoside hydrolase superfamily |
| IPR013781 | Glycoside hydrolase, catalytic domain |
UniProt Annotations
Entry Information
Comments
| Comment Type | Description |
|---|---|
| Biophysicochemical Properties | Kinetic parameters: KM=1.1 mM for p-nitrophenyl-beta-N-acetylglucosaminide {ECO:0000269|PubMed:17636254}; pH dependence: Optimum pH is 5.5. {ECO:0000269|PubMed:17636254}; |
| Catalytic Activity | Hydrolysis of terminal non-reducing N-acetyl- D-hexosamine residues in N-acetyl-beta-D-hexosaminides. {ECO:0000269|PubMed:17636254}. |
| Developmental Stage | Expressed throughout the life cycle. {ECO:0000269|PubMed:17636254}. |
| Disruption Phenotype | Worms show reduced degradation of p- nitrophenyl-beta-N-acetylglucosaminide and no chitotriosidase activity. {ECO:0000269|PubMed:17636254}. |
| Function | Responsible for the degradation of GM2 gangliosides, and a variety of other molecules containing terminal N-acetyl hexosamines. Degrades chitotriose. {ECO:0000269|PubMed:17636254}. |
| Similarity | Belongs to the glycosyl hydrolase 20 family. {ECO:0000305}. |
| Subcellular Location | Lysosome {ECO:0000305}. |
| Tissue Specificity | Expressed in coelomocytes and neurons of the pharyngeal region and nerve cord. {ECO:0000269|PubMed:17636254}. |
Identical and Related Proteins
Unique RefSeq proteins for LMP008031 (as displayed in Record Overview)
Identical Sequences to LMP008031 proteins
| Reference | Database | Accession | Length | Protein Name |
|---|---|---|---|---|
| GI:17569815 | EMBL | CAO72174.1 | 555 | hexosaminidase [Caenorhabditis elegans] |
| GI:17569815 | EMBL | CCD68941.1 | 555 | Protein HEX-1 [Caenorhabditis elegans] |
| GI:17569815 | GenBank | ABZ32782.1 | 555 | Sequence 6720 from patent US 7314974 |
| GI:17569815 | SwissProt | Q22492.1 | 555 | RecName: Full=Beta-hexosaminidase A; AltName: Full=Beta-N-acetylhexosaminidase; AltName: Full=N-acetyl-beta-glucosaminidase; Flags: Precursor [Caenorhabditis elegans] |
Related Sequences to LMP008031 proteins
| Reference | Database | Accession | Length | Protein Name |
|---|---|---|---|---|
| GI:17569815 | EMBL | CAP32722.2 | 552 | Protein CBR-HEX-1 [Caenorhabditis briggsae] |
| GI:17569815 | GenBank | EFO83073.1 | 567 | CRE-HEX-1 protein [Caenorhabditis remanei] |
| GI:17569815 | GenBank | EYB89966.1 | 550 | hypothetical protein Y032_0225g2761 [Ancylostoma ceylanicum] |
| GI:17569815 | RefSeq | XP_002644284.1 | 557 | C. briggsae CBR-HEX-1 protein [Caenorhabditis briggsae] |
| GI:17569815 | RefSeq | XP_003118475.1 | 567 | CRE-HEX-1 protein [Caenorhabditis remanei] |
| GI:17569815 | SwissProt | Q619W7.2 | 552 | RecName: Full=Beta-hexosaminidase A; AltName: Full=Beta-N-acetylhexosaminidase; AltName: Full=N-acetyl-beta-glucosaminidase; Flags: Precursor [Caenorhabditis briggsae] |