Home/GT Families/GT41/SPY
SPY
Arabidopsis thaliana · Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY (EC 2.4.1.255; 2.4.1.221)
GT41Model organism · annotation ≥ 4Fold GT-BInverting5 PDB structure(s)
External resources
Identification and annotation
| CAZy family | GT41 · CAZy entry |
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| Gene symbol | SPY |
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| Synonyms / alternate names | GDP-fucose protein O-fucosyltransferase SPINDLY |
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| UniProt accession | Q96301 |
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| NCBI Gene ID | 820327 |
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| Source species | Arabidopsis thaliana |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Probable UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase SPINDLY (EC 2.4.1.255; 2.4.1.221) |
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| Subcellular location | |
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Structure and mechanism
| Fold type | GT-B |
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| Catalytic mechanism | Inverting |
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| Cation dependence | No |
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| Oligomeric state | Homomultimer; via its TPR repeats. Interacts with GI (PubMed |
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| PDB structures | 7Y4I, 8DTF, 8DTG, 8DTH, 8DTI |
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Donor and acceptor specificity
| Sugar nucleotide donor | - UDP-N-acetyl-alpha-D-glucosamine
- GDP-beta-L-fucose
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| Donor CCD code(s) | UD1, GFB |
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| Acceptor substrate(s) | - L-seryl-[protein]
- L-threonyl-[protein]
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
914 aa
MVGLEDDTERERSPVVENGFSNGSRSSSSSAGVLSPSRKVTQGNDTLSYANILRARNKFADALALYEAMLEKDSKNVEAHIGKGICLQTQNKGNLAFDCFSEAIRLDPHNACALTHCGILHKEEGRLVEAAESYQKALMADASYKPAAECLAIVLTDLGTSLKLAGNTQEGIQKYYEALKIDPHYAPAYYNLGVVYSEMMQYDNALSCYEKAALERPMYAEAYCNMGVIYKNRGDLEMAITCYERCLAVSPNFEIAKNNMAIALTDLGTKVKLEGDVTQGVAYYKKALYYNWHYADAMYNLGVAYGEMLKFDMAIVFYELAFHFNPHCAEACNNLGVLYKDRDNLDKAVECYQMALSIKPNFAQSLNNLGVVYTVQGKMDAAASMIEKAILANPTYAEAFNNLGVLYRDAGNITMAIDAYEECLKIDPDSRNAGQNRLLAMNYINEGLDDKLFEAHRDWGWRFTRLHPQYTSWDNLKDPERPITIGYISPDFFTHSVSYFIEAPLTHHDYTKYKVVVYSAVVKADAKTYRFRDKVLKKGGVWKDIYGIDEKKIASMVREDKIDILVELTGHTANNKLGTMACRPAPVQVTWIGYPNTTGLPTVDYRITDSLADPPDTKQKQVEELVRLPDCFLCYTPSPEAGPVCPTPALSNGFVTFGSFNNLAKITPKVLQVWARILCAVPNSRLVVKCKPFCCDSIRQRFLTTLEQLGLESKRVDLLPLILFNHDHMQAYSLMDISLDTFPYAGTTTTCESLYMGVPCVTMAGSVHAHNVGVSLLTKVGLGHLVAKNEDEYVQLSVDLASDVTALSKLRMSLRDLMAGSPVCNGPSFAVGLESAYRNMWKKYCKGEVPSLRRMEMLQKEVHDDPLISKDLGPSRVSVTGEATPSLKANGSAPVPSSLPTQSPQLSKRMDSTS
Catalytic domain sequence
359 aa
PQYTSWDNLKDPERPITIGYISPDFFTHSVSYFIEAPLTHHDYTKYKVVVYSAVVKADAKTYRFRDKVLKKGGVWKDIYGIDEKKIASMVREDKIDILVELTGHTANNKLGTMACRPAPVQVTWIGYPNTTGLPTVDYRITDSLADPPDTKQKQVEELVRLPDCFLCYTPSPEAGPVCPTPALSNGFVTFGSFNNLAKITPKVLQVWARILCAVPNSRLVVKCKPFCCDSIRQRFLTTLEQLGLESKRVDLLPLILFNHDHMQAYSLMDISLDTFPYAGTTTTCESLYMGVPCVTMAGSVHAHNVGVSLLTKVGLGHLVAKNEDEYVQLSVDLASDVTALSKLRMSLRDLMAGSPVCNG
