Home/GT Families/GT66/STT3A
STT3A
Oryza sativa subsp. japonica · Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3A (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 | STT3A |
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| Synonyms / alternate names | Protein STAUROSPORIN AND TEMPERATURE SENSITIVE 3-LIKE A |
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| UniProt accession | Q6F2Z1 |
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| NCBI Gene ID | not curated |
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| Source species | Oryza sativa subsp. japonica |
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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 STT3A (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
787 aa
MAEPESSTAAAGGSRLRNACGGVLCAFTLLLIGVLAFSIRLFSVIKYESVIHEFDPYFNFRVTQFLSKNGIYEFWNWFDDRTWYPLGRVIGGTVYPGLTLTAGTIWWLLNSLNIPLSVETVCVFTAPIFSANASWATYLLTKEAKGTGAGLMAAAILAMVPSYISRSVAGSYDNEAVAIFALIFTFYLYVKTLNTGSLFYATLNALSYFYMVCSWGGYTFIINLIPIHVLLCIVTGRYSSRLYIAYAPLVILGTLLAALVPVVGFNAVMTSEHFASFLVFIILHVVALVYYIKGLLTPRLFKVAMTLVITVGLAVCFAVIAILIALVASSPTKGWSGRSLSLLDPTYASKYIPIIASVSEHQPPTWPSYFMDINVLAFLIPAGIISCFLPLSDASSFVVLYLVTAVYFSGVMVRLMLVLAPAACILSGIALSEAFDVLTRSVKYQLSKLFDDSPAASGDSSAESSSASTVSTNSAKNETRPEKTETAPKEKPSKKNRKKEKEVAESVPVKPKKEKKLLVLPMEASVLGILLLIVLGGFYVVHCVWAAAEAYSAPSIVLTSRSRDGLHVFDDFREAYAWLSHNTDVDDKVASWWDYGYQTTAMANRTVIVDNNTWNNTHIATVGTAMSSPEKAAWEIFNSLDVKYVLVVFGGLVGYPSDDINKFLWMVRIGGGVFPHIKEPDYLRDGNYRVDAQGTPTMLNCLMYKLCYYRFVETDGKGFDRVRGYEIGKKHFKLTHFEEVFTTHHWMVRIYKLKPQKNRVRGKLKKLKSGSKASSTNAAGRKKNPWQ
Catalytic domain sequence
403 aa
LCAFTLLLIGVLAFSIRLFSVIKYESVIHEFDPYFNFRVTQFLSKNGIYEFWNWFDDRTWYPLGRVIGGTVYPGLTLTAGTIWWLLNSLNIPLSVETVCVFTAPIFSANASWATYLLTKEAKGTGAGLMAAAILAMVPSYISRSVAGSYDNEAVAIFALIFTFYLYVKTLNTGSLFYATLNALSYFYMVCSWGGYTFIINLIPIHVLLCIVTGRYSSRLYIAYAPLVILGTLLAALVPVVGFNAVMTSEHFASFLVFIILHVVALVYYIKGLLTPRLFKVAMTLVITVGLAVCFAVIAILIALVASSPTKGWSGRSLSLLDPTYASKYIPIIASVSEHQPPTWPSYFMDINVLAFLIPAGIISCFLPLSDASSFVVLYLVTAVYFSGVMVRLMLVLAPAACIL
