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b3gnt5a
Danio rerio · Lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase A (EC 2.4.1.206)
GT31Model organism · annotation ≥ 4Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT31 · CAZy entry |
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| Gene symbol | b3gnt5a |
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| Synonyms / alternate names | - b3gnt5
- Lactotriaosylceramide synthase A
- UDP-GlcNAc:beta-Gal beta-1,3-N-acetylglucosaminyltransferase 5A
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| UniProt accession | Q7T3S5 |
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| NCBI Gene ID | 336526 |
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| Source species | Danio rerio |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 4 |
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Function and localisation
| Enzyme function | Lactosylceramide 1,3-N-acetyl-beta-D-glucosaminyltransferase A (EC 2.4.1.206) |
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| Subcellular location | Golgi apparatus membrane |
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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 (Mn2+) |
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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 |
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| Donor CCD code(s) | UD1 |
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| Acceptor substrate(s) | - a beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))
- a neolactoside nLc4Cer(d18:1(4E))
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
379 aa
MFMNCRRVKKWHFLQLLSMCCVMSVLMVCWEHVDHHVVSHVKSYSYRYLINSYDFINKSLSVSPEEAARFGSFPYLLDRRDVCKNKDVLLLLFVKSSPGNFKRRQAIRSTWGNESYISQELGVVVKVVFAMGVRPDRSGHKTMQRELRKEHMAHHDLIQQDFLDTFHNLTVKLLLQFRWTHENCAHAHFLMSADDDVFIHVPNLVHYLQELKSQNVRNLWVGHVHRGAPPVRKRDSKYYMPFDMYQWSSYPDYTAGAGYVVSGDVAAKIYQATQSLNASMYIDDVFMGICAIAAGVSPQEHVYFSGEGKTPYHPCIYEKMITSHGHEGDIRYLWKAATGPQVEGISSGLLGKLYCAAVKMTLLCKPYFTNTYSCMAAFT
Catalytic domain sequence
199 aa
KRRQAIRSTWGNESYISQELGVVVKVVFAMGVRPDRSGHKTMQRELRKEHMAHHDLIQQDFLDTFHNLTVKLLLQFRWTHENCAHAHFLMSADDDVFIHVPNLVHYLQELKSQNVRNLWVGHVHRGAPPVRKRDSKYYMPFDMYQWSSYPDYTAGAGYVVSGDVAAKIYQATQSLNASMYIDDVFMGICAIAAGVSPQE
