Home/GT Families/GT31/B3GALT2
B3GALT2
Homo sapiens · Beta-1,3-galactosyltransferase 2 (EC 2.4.1.86)
GT31Model organism · annotation ≥ 4Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT31 · CAZy entry |
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| Gene symbol | B3GALT2 |
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| Synonyms / alternate names | UDP-galactose:2-acetamido-2-deoxy-D-glucose 3beta-galactosyltransferase 2 |
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| UniProt accession | O43825 |
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| NCBI Gene ID | 8707 |
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| Source species | Homo sapiens |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Beta-1,3-galactosyltransferase 2 (EC 2.4.1.86) |
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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-alpha-D-galactose |
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| Donor CCD code(s) | GDU |
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| Acceptor substrate(s) | - an N-acetyl-beta-D-glucosaminyl derivative
- a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))
- a neolactoside IV(3)-beta-GlcNAc-nLc4Cer(d18:1(4E))
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
422 aa
MLQWRRRHCCFAKMTWNAKRSLFRTHLIGVLSLVFLFAMFLFFNHHDWLPGRAGFKENPVTYTFRGFRSTKSETNHSSLRNIWKETVPQTLRPQTATNSNNTDLSPQGVTGLENTLSANGSIYNEKGTGHPNSYHFKYIINEPEKCQEKSPFLILLIAAEPGQIEARRAIRQTWGNESLAPGIQITRIFLLGLSIKLNGYLQRAILEESRQYHDIIQQEYLDTYYNLTIKTLMGMNWVATYCPHIPYVMKTDSDMFVNTEYLINKLLKPDLPPRHNYFTGYLMRGYAPNRNKDSKWYMPPDLYPSERYPVFCSGTGYVFSGDLAEKIFKVSLGIRRLHLEDVYVGICLAKLRIDPVPPPNEFVFNHWRVSYSSCKYSHLITSHQFQPSELIKYWNHLQQNKHNACANAAKEKAGRYRHRKLH
Catalytic domain sequence
192 aa
ARRAIRQTWGNESLAPGIQITRIFLLGLSIKLNGYLQRAILEESRQYHDIIQQEYLDTYYNLTIKTLMGMNWVATYCPHIPYVMKTDSDMFVNTEYLINKLLKPDLPPRHNYFTGYLMRGYAPNRNKDSKWYMPPDLYPSERYPVFCSGTGYVFSGDLAEKIFKVSLGIRRLHLEDVYVGICLAKLRIDPVP
