Home/GT Families/GT66/stt-3
stt-3
Caenorhabditis elegans · Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit stt-3 (EC 2.4.99.18)
GT66Model organism · annotation ≥ 4Fold GT-CInverting
External resources
Identification and annotation
| CAZy family | GT66 · CAZy entry |
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| Gene symbol | stt-3 |
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| Synonyms / alternate names | not curated |
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| UniProt accession | P46975 |
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| NCBI Gene ID | 175886 |
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| Source species | Caenorhabditis elegans |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 4 |
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Function and localisation
| Enzyme function | Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit stt-3 (EC 2.4.99.18) |
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| Subcellular location | Endoplasmic reticulum membrane |
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Structure and mechanism
| Fold type | GT-C |
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| Catalytic mechanism | Inverting |
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| Cation dependence | Yes (Mg2+, Mn2+) |
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| Oligomeric state | Component of the oligosaccharyltransferase (OST) complex |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | not curated |
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| Donor CCD code(s) | not curated |
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| Acceptor substrate(s) | - a di-trans,poly-cis-dolichyl diphosphooligosaccharide
- L-asparaginyl-[protein]
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
757 aa
MTSTTAARTASSRVGATTLLTIVVLALAWFVGFASRLFAIVRFESIIHEFDPWFNYRATHHMVQHGFYKFLNWFDERAWYPLGRIVGGTVYPGLMVTSGLIHWILDSLNFHVHIREVCVFLAPTFSGLTAIATYLLTKELWSPGAGLFAACFIAISPGYTSRSVAGSYDNEGIAIFALQFTYYLWVKSLKTGSIMWASLCALSYFYMVSAWGGYVFIINLIPLHALALIIMGRYSSRLFVSYTSFYCLATILSMQVPFVGFQPVRTSEHMPAFGVFGLLQIVALMHYARNRITRQQFMTLFVGGLTILGALSVVVYFALVWGGYVAPFSGRFYSLWDTGYAKIHIPIIASVSEHQPTTWVSFFFDLHITAAVFPVGLWYCIKKVNDERVFIILYAVSAVYFAGVMVRLMLTLTPAVCVLAGIGFSYTFEKYLKDEETKERSSSQSGTTKDEKLYDKAAKNVKSRNANDGDESGVSSNVRTIISIILVIFLLMFVVHATYVTSNAYSHPSVVLQSSTNNGDRIIMDDFREAYHWLRENTADDARVMSWWDYGYQIAGMANRTTLVDNNTWNNSHIALVGKAMSSNESAAYEIMTELDVDYILVIFGGVIGYSGDDINKFLWMVRIAQGEHPKDIREENYFTSTGEYSTGAGASETMLNCLMYKMSYYRFGETRVGYNQAGGFDRTRGYVIGKKDITLEYIEEAYTTENWLVRIYKRKKLPNRPTVKSEEATIPIKGKKATQGKNKKGVIRPAPTASKA
Catalytic domain sequence
401 aa
LTIVVLALAWFVGFASRLFAIVRFESIIHEFDPWFNYRATHHMVQHGFYKFLNWFDERAWYPLGRIVGGTVYPGLMVTSGLIHWILDSLNFHVHIREVCVFLAPTFSGLTAIATYLLTKELWSPGAGLFAACFIAISPGYTSRSVAGSYDNEGIAIFALQFTYYLWVKSLKTGSIMWASLCALSYFYMVSAWGGYVFIINLIPLHALALIIMGRYSSRLFVSYTSFYCLATILSMQVPFVGFQPVRTSEHMPAFGVFGLLQIVALMHYARNRITRQQFMTLFVGGLTILGALSVVVYFALVWGGYVAPFSGRFYSLWDTGYAKIHIPIIASVSEHQPTTWVSFFFDLHITAAVFPVGLWYCIKKVNDERVFIILYAVSAVYFAGVMVRLMLTLTPAVCVLA
