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Oxt
Drosophila melanogaster · Xylosyltransferase Oxt (EC 2.4.2.26)
GT14Model organism · annotation ≥ 4Fold GT-AInverting
External resources
Identification and annotation
| CAZy family | GT14 · CAZy entry |
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| Gene symbol | Oxt |
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| Synonyms / alternate names | - Imaginal disk type I
- Peptide O-xylosyltransferase
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| UniProt accession | Q7KVA1 |
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| NCBI Gene ID | 38288 |
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| Source species | Drosophila melanogaster |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Xylosyltransferase Oxt (EC 2.4.2.26) |
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| Subcellular location | - Endoplasmic reticulum membrane
- 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 (Ca2+, Mn2+, 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-alpha-D-xylose |
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| Donor CCD code(s) | UDX |
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| Acceptor substrate(s) | L-seryl-[protein] |
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
876 aa
MEQSVSARWLKRYRAFFLILLLIVAIQLFLAYKSLDIVGGGSGSGFDAAEAPASPPPPHAQARVQPPARTKLTAQQLGFQPECDILAREAISALQRAKTKDCREHIAQIACAIQAGRFYAPQLRSSCPAGNHTANVSLGCFKDEKDRRLLAGYYSSSKTSNSPAKCVELCLQSGYPYAGVQYGRECFCGYDPPPKASKLPDSSCNTKCLGNAKEICGGFYAMNIYETGIAKFTAQLAATTPSEETKRVRIAFLLTLNGRALRQVHRLLKALYAPEHVYYIHVDERQDYLYRKLLELESKFPNIRLARKRFSTIWGGASLLTMLLQCMEDLLQSNWHWDFVINLSESDFPVKTLDKLVDFLSANPGRNFVKGHGRETQKFIQKQGLDKTFVECDTHMWRIGDRKLPAGIQVDGGSDWVALSRPFVGYVTHPREDDELLQALLKLFRHTLLPAESFFHTVLRNTKHCTSYVDNNLHVTNWKRKQGCKCQYKHVVDWCGCSPNDFKPEDWPRLQATEQKSLFFARKFEPVINQAVLLQLEEWLYGPYTSEYANLHGYWQSLYHHEDVHGSGDDLARSIGDSVMRLSARQAKLYPLELIELTHYLHRDQYKGFLVRYRARGSTGKPLHLETRVRPTQQGKLARNARFSKRLRNFEVSTDFDQKEQIARNFGKLLGPQSDLLLSYTLQANADSGAASHSYNLTLLWIDPLGRLQDFNELHVEDSTSDVINHSKTLLKHPITPGIWTAKLIGRNSIYAQLKFLIAPLAYYKGYPLAKSSDAEALNAGLTVALPEDFEMPVEWQQHLQTDDEQFTMREESLAKGKMLGQELHSWIDGLVGQFFQLRESCVVEADSEVSLPLCSDAPWSSLAPDPKSDVDALLK
Catalytic domain sequence
254 aa
IAFLLTLNGRALRQVHRLLKALYAPEHVYYIHVDERQDYLYRKLLELESKFPNIRLARKRFSTIWGGASLLTMLLQCMEDLLQSNWHWDFVINLSESDFPVKTLDKLVDFLSANPGRNFVKGHGRETQKFIQKQGLDKTFVECDTHMWRIGDRKLPAGIQVDGGSDWVALSRPFVGYVTHPREDDELLQALLKLFRHTLLPAESFFHTVLRNTKHCTSYVDNNLHVTNWKRKQGCKCQYKHVVDWCGCSPNDFK
