Home/GT Families/GT7/b4galt3.S
b4galt3.S
Xenopus laevis · Beta-1,4-galactosyltransferase (EC 2.4.1.-)
GT7Model organism · annotation ≥ 4Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT7 · CAZy entry |
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| Gene symbol | b4galt3.S |
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| Synonyms / alternate names | MGC81163 |
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| UniProt accession | Q6NU80 |
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| NCBI Gene ID | 414540 |
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| Source species | Xenopus laevis |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 4 |
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Function and localisation
| Enzyme function | Beta-1,4-galactosyltransferase (EC 2.4.1.-) |
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| Subcellular location | - Golgi apparatus membrane
- Golgi apparatus, Golgi stack 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) | - N-acetyl-D-glucosamine
- a beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E))
- a beta-D-glucosylceramide
- a neolactoside IV(3)-beta-GlcNAc-nLc4Cer
- an N-acetyl-beta-D-glucosaminyl derivative
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
498 aa
MMRRVLERPCTLAMLIGFQFAFMVYFSFGGLRSLTFIFGHSIEPSFDYSRTHDVYSNLSLVNSMVLPTSTAEDILLPRCPERSPYLVGPITVTFSQTPSLKKVQDKNPLVIKGGEYKPPNCEARHRTAVIIPHRNRETHLRHLLYYLHPFLQRQQLHYRIYIIHQAGNSTFNRAKLLNVGVKEALRDEDWDCLFLHDVDLIPENDFNLYVCDPWSPKHASVAMNKFSYNLPYPMYFGGVSALTPDQYMKMNGFPNEYWGWGGEDDDIATRVRLAGMKITRPSVAVGHYKMVKHKGDHGNEENPHRFDLLIRTQRMWKTDGMNSLNYKLLARELEHLYTNVTVDIGVDPRAKKPLRNRGPTPPPIRRYVNKTSSTSVDSQIRNQADKLTNVSEINGVEPSAEKKGPVVAPESTTTEKLSLPIASAPPRERVEDKQIRVIRSTEDNNNKAQVKEVQADVARRGRAQRSSKLERQVDSFRAKPQDDVGKSLPQSDLSRAPV
Catalytic domain sequence
220 aa
RHRTAVIIPHRNRETHLRHLLYYLHPFLQRQQLHYRIYIIHQAGNSTFNRAKLLNVGVKEALRDEDWDCLFLHDVDLIPENDFNLYVCDPWSPKHASVAMNKFSYNLPYPMYFGGVSALTPDQYMKMNGFPNEYWGWGGEDDDIATRVRLAGMKITRPSVAVGHYKMVKHKGDHGNEENPHRFDLLIRTQRMWKTDGMNSLNYKLLARELEHLYTNVTVD
