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WAXY
Oryza sativa subsp. japonica · Granule-bound starch synthase 1, chloroplastic/amyloplastic (EC 2.4.1.242)
GT5Model organism · annotation ≥ 4Fold GT-BRetaining2 PDB structure(s)
External resources
Identification and annotation
| CAZy family | GT5 · CAZy entry |
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| Gene symbol | WAXY |
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| Synonyms / alternate names | - WX
- WX-B
- Granule-bound starch synthase I
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| UniProt accession | Q0DEV5 |
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| NCBI Gene ID | 4340018 |
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| Source species | Oryza sativa subsp. japonica |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Granule-bound starch synthase 1, chloroplastic/amyloplastic (EC 2.4.1.242) |
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| Subcellular location | - Plastid, chloroplast
- Plastid, amyloplast
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Structure and mechanism
| Fold type | GT-B |
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| Catalytic mechanism | Retaining |
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| Cation dependence | No |
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| Oligomeric state | not curated |
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| PDB structures | 3VUE, 3VUF |
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Donor and acceptor specificity
| Sugar nucleotide donor | an NDP-alpha-D-glucose |
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| Donor CCD code(s) | not curated |
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| Acceptor substrate(s) | [(1->4)-alpha-D-glucosyl](n) |
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
609 aa
MSALTTSQLATSATGFGIADRSAPSSLLRHGFQGLKPRSPAGGDATSLSVTTSARATPKQQRSVQRGSRRFPSVVVYATGAGMNVVFVGAEMAPWSKTGGLGDVLGGLPPAMAANGHRVMVISPRYDQYKDAWDTSVVAEIKVADRYERVRFFHCYKRGVDRVFIDHPSFLEKVWGKTGEKIYGPDTGVDYKDNQMRFSLLCQAALEAPRILNLNNNPYFKGTYGEDVVFVCNDWHTGPLASYLKNNYQPNGIYRNAKVAFCIHNISYQGRFAFEDYPELNLSERFRSSFDFIDGYDTPVEGRKINWMKAGILEADRVLTVSPYYAEELISGIARGCELDNIMRLTGITGIVNGMDVSEWDPSKDKYITAKYDATTAIEAKALNKEALQAEAGLPVDRKIPLIAFIGRLEEQKGPDVMAAAIPELMQEDVQIVLLGTGKKKFEKLLKSMEEKYPGKVRAVVKFNAPLAHLIMAGADVLAVPSRFEPCGLIQLQGMRYGTPCACASTGGLVDTVIEGKTGFHMGRLSVDCKVVEPSDVKKVAATLKRAIKVVGTPAYEEMVRNCMNQDLSWKGPAKNWENVLLGLGVAGSAPGIEGDEIAPLAKENVAAP
Catalytic domain sequence
126 aa
DRKIPLIAFIGRLEEQKGPDVMAAAIPELMQEDVQIVLLGTGKKKFEKLLKSMEEKYPGKVRAVVKFNAPLAHLIMAGADVLAVPSRFEPCGLIQLQGMRYGTPCACASTGGLVDTVIEGKTGFHM
