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HAS3
Gallus gallus · Hyaluronan synthase 3 (EC 2.4.1.212)
GT2Model organism · annotation ≥ 4Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT2 · CAZy entry |
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| Gene symbol | HAS3 |
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| Synonyms / alternate names | - Hyaluronate synthase 3
- Hyaluronic acid synthase 3
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| UniProt accession | O57425 |
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| NCBI Gene ID | not curated |
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| Source species | Gallus gallus |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 4 |
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Function and localisation
| Enzyme function | Hyaluronan synthase 3 (EC 2.4.1.212) |
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| Subcellular location | - Cell membrane
- Golgi apparatus membrane
- Golgi apparatus, trans-Golgi network membrane
- Cytoplasmic vesicle
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Structure and mechanism
| Fold type | GT-A |
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| Catalytic mechanism | Inverting |
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| Cation dependence | Yes (Mg2+) |
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| Oligomeric state | not curated |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | - UDP-N-acetyl-alpha-D-glucosamine
- UDP-alpha-D-glucuronate
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| Donor CCD code(s) | UD1, UGA |
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| Acceptor substrate(s) | - [hyaluronan](n)
- N-acetyl-beta-D-glucosaminyl-(1->4)-[hyaluronan](n)
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
574 aa
MPVSLSTALRVVGTSLFALAVLGGILAAYVTGYQFIHTEKHYLSFGLYGAILGLHLFIQSLFAFLEHRRMRAERQPVRLGRSVALCIAAYQEDPDYLKKCLLSVKRIAFPDLKVVMVVDGNGPDDTYMLDIFHDVMGSERAGSYVWRSNFHARGEGETEAGLQEGLAHVQALVRSTTYSCILQKWGGKREVMYTAFRALGDSVDYIQVCDSDTVLDPACTAEMLRILEADPRVGGVGGDVQVWRRGGDGTHGGTALALVALTPSPPQILNKYDSWISFLSSVRYWMAFNVERACQSYFGCVQCISGPLGMYRNALLQQFLEDWYHQTFLGTKCSFGDDRHLTNRVLSLGYQTKYTARSRCLTETPTRYLRWLNQQTRWSKSYFREWLYNALWFHKHHLWMTYESVVTGFFPFFLIATVIQLFYRGRIWNILLFLLTVQLVGIIKATYACFLRGSAEMIFVSLYALLYMSSLLPAKMFAIATINKSGWGTSGRRTIVVNFVGLLPVSVWAAVLLGGLAYTAYSQDLLSDTEVAFLISGAVLYACYWVALLTLYLAMVARRCGKRKEQCGLVFAEV
Catalytic domain sequence
194 aa
GGKREVMYTAFRALGDSVDYIQVCDSDTVLDPACTAEMLRILEADPRVGGVGGDVQVWRRGGDGTHGGTALALVALTPSPPQILNKYDSWISFLSSVRYWMAFNVERACQSYFGCVQCISGPLGMYRNALLQQFLEDWYHQTFLGTKCSFGDDRHLTNRVLSLGYQTKYTARSRCLTETPTRYLRWLNQQTRWS
