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SPS4
Arabidopsis thaliana · Sucrose-phosphate synthase 4 (EC 2.4.1.14)
GT4Model organism · annotation ≥ 4Fold GT-BRetaining
External resources
Identification and annotation
| CAZy family | GT4 · CAZy entry |
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| Gene symbol | SPS4 |
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| Synonyms / alternate names | - SPSC
- Sucrose phosphate synthase 4F
- Sucrose phosphate synthase C
- UDP-glucose-fructose-phosphate glucosyltransferase
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| UniProt accession | F4JLK2 |
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| NCBI Gene ID | 826603 |
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| Source species | Arabidopsis thaliana |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 4 |
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Function and localisation
| Enzyme function | Sucrose-phosphate synthase 4 (EC 2.4.1.14) |
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| Subcellular location | not curated |
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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 | homodimer |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | UDP-alpha-D-glucose |
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| Donor CCD code(s) | UPG |
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| Acceptor substrate(s) | beta-D-fructose 6-phosphate |
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
1050 aa
MARNDWINSYLEAILDVGTSKKKRFESNSKIVQKLGDINSKDHQEKVFGDMNGKDHQEKVFSPIKYFVEEVVNSFDESDLYKTWIKVIATRNTRERSNRLENICWRIWHLARKKKQIVWDDGVRLSKRRIEREQGRNDAEEDLLSELSEGEKDKNDGEKEKSEVVTTLEPPRDHMPRIRSEMQIWSEDDKSSRNLYIVLISMHGLVRGENMELGRDSDTGGQVKYVVELARALANTEGVHRVDLLTRQISSPEVDYSYGEPVEMLSCPPEGSDSCGSYIIRIPCGSRDKYIPKESLWPHIPEFVDGALNHIVSIARSLGEQVNGGKPIWPYVIHGHYADAGEVAAHLAGALNVPMVLTGHSLGRNKFEQLLQQGRITREDIDRTYKIMRRIEAEEQSLDAAEMVVTSTRQEIDAQWGLYDGFDIKLERKLRVRRRRGVSCLGRYMPRMVVIPPGMDFSYVLTQDSQEPDGDLKSLIGPDRNQIKKPVPPIWSEIMRFFSNPHKPTILALSRPDHKKNVTTLVKAFGECQPLRELANLVLILGNRDDIEEMPNSSSVVLMNVLKLIDQYDLYGQVAYPKHHKQSEVPDIYRLAAKTKGVFINPALVEPFGLTLIEAAAYGLPIVATRNGGPVDIVKALNNGLLVDPHDQQAISDALLKLVANKHLWAECRKNGLKNIHRFSWPEHCRNYLSHVEHCRNRHPTSSLDIMKVPEELTSDSLRDVDDISLRFSTEGDFTLNGELDAGTRQKKLVDAISQMNSMKGCSAAIYSPGRRQMLFVVAVDSYDDNGNIKANLNEIIKNMIKAADLTSGKGKIGFVLASGSSLQEVVDITQKNLINLEDFDAIVCNSGSEIYYPWRDMMVDADYETHVEYKWPGESIRSVILRLICTEPAAEDDITEYASSCSTRCYAISVKQGVKTRRVDDLRQRLRMRGLRCNIVYTHAATRLNVIPLCASRIQALRYLSIRWGIDMSKTVFFLGEKGDTDYEDLLGGLHKTIILKGVVGSDSEKLLRSEENFKREDAVPQESPNISYVKENGGSQEIMSTLEAYGIK
Catalytic domain sequence
175 aa
SNPHKPTILALSRPDHKKNVTTLVKAFGECQPLRELANLVLILGNRDDIEEMPNSSSVVLMNVLKLIDQYDLYGQVAYPKHHKQSEVPDIYRLAAKTKGVFINPALVEPFGLTLIEAAAYGLPIVATRNGGPVDIVKALNNGLLVDPHDQQAISDALLKLVANKHLWAECRKNGL
