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SUS1
Arabidopsis thaliana · Sucrose synthase 1 (EC 2.4.1.13)
GT4Model organism · annotation ≥ 4Fold GT-BRetaining3 PDB structure(s)
External resources
Identification and annotation
| CAZy family | GT4 · CAZy entry |
| Gene symbol | SUS1 |
| Synonyms / alternate names | Sucrose-UDP glucosyltransferase 1 |
| UniProt accession | P49040 |
| NCBI Gene ID | 832206 |
| Source species | Arabidopsis thaliana |
| Taxonomic domain | Eukaryota |
| UniProt annotation level | 5 |
Function and localisation
| Enzyme function | Sucrose synthase 1 (EC 2.4.1.13) |
| Subcellular location | not curated |
Structure and mechanism
| Fold type | GT-B |
| Catalytic mechanism | Retaining |
| Cation dependence | No |
| Oligomeric state | homotetramer |
| PDB structures | 3S27, 3S28, 3S29 |
Donor and acceptor specificity
| Sugar nucleotide donor | an NDP-alpha-D-glucose |
| Donor CCD code(s) | not curated |
| Acceptor substrate(s) | D-fructose |
| Acceptor CCD / GlycoCT | FRU Verified PDB CCD code |
Protein sequences
Full protein sequence
808 aa
MANAERMITRVHSQRERLNETLVSERNEVLALLSRVEAKGKGILQQNQIIAEFEALPEQTRKKLEGGPFFDLLKSTQEAIVLPPWVALAVRPRPGVWEYLRVNLHALVVEELQPAEFLHFKEELVDGVKNGNFTLELDFEPFNASIPRPTLHKYIGNGVDFLNRHLSAKLFHDKESLLPLLKFLRLHSHQGKNLMLSEKIQNLNTLQHTLRKAEEYLAELKSETLYEEFEAKFEEIGLERGWGDNAERVLDMIRLLLDLLEAPDPCTLETFLGRVPMVFNVVILSPHGYFAQDNVLGYPDTGGQVVYILDQVRALEIEMLQRIKQQGLNIKPRILILTRLLPDAVGTTCGERLERVYDSEYCDILRVPFRTEKGIVRKWISRFEVWPYLETYTEDAAVELSKELNGKPDLIIGNYSDGNLVASLLAHKLGVTQCTIAHALEKTKYPDSDIYWKKLDDKYHFSCQFTADIFAMNHTDFIITSTFQEIAGSKETVGQYESHTAFTLPGLYRVVHGIDVFDPKFNIVSPGADMSIYFPYTEEKRRLTKFHSEIEELLYSDVENKEHLCVLKDKKKPILFTMARLDRVKNLSGLVEWYGKNTRLRELANLVVVGGDRRKESKDNEEKAEMKKMYDLIEEYKLNGQFRWISSQMDRVRNGELYRYICDTKGAFVQPALYEAFGLTVVEAMTCGLPTFATCKGGPAEIIVHGKSGFHIDPYHGDQAADTLADFFTKCKEDPSHWDEISKGGLQRIEEKYTWQIYSQRLLTLTGVYGFWKHVSNLDRLEARRYLEMFYALKYRPLAQAVPLAQDD
Catalytic domain sequence
173 aa
LKDKKKPILFTMARLDRVKNLSGLVEWYGKNTRLRELANLVVVGGDRRKESKDNEEKAEMKKMYDLIEEYKLNGQFRWISSQMDRVRNGELYRYICDTKGAFVQPALYEAFGLTVVEAMTCGLPTFATCKGGPAEIIVHGKSGFHIDPYHGDQAADTLADFFTKCKEDPSHWD