Protein
Sucrose-phosphate synthase
Function
Plays a role in photosynthetic sucrose synthesis by catalyzing the rate-limiting step of sucrose biosynthesis from UDP-glucose and fructose- 6-phosphate. Involved in the regulation of carbon partitioning in the leaves of plants. May regulate the synthesis of sucrose and therefore play a major role as a limiting factor in the export of photoassimilates out of the leaf. Plays a role for sucrose availability that is essential for plant growth and fiber elongation.
Similarity
Belongs to the glycosyltransferase 1 family.
Sequence
MAGNEWINGYLEAILDSHTSSRGAGGGGGGGDPRSPTKAASPRGAHMNFNPSHYFVEEVVKGVDESDLHRTWIKVVATRNARERSTRLENMCWRIWHLARKKKQLELEGIQRISARRKEQEQVRREATEDLAEDLSEGEKGDTIGELAPVETTKKKFQRNFSDLTVWSDDNKEKKLYIVLISVHGLVRGENMELGRDSDTGGQVKYVVELARAMSMMPGVYRVDLFTRQVSSPDVDWSYGEPTEMLCAGSNDGEGMGESGGAYIVRIPCGPRDKYLKKEALWPYLQEFVDGALAHILNMSKALGEQVGNGRPVLPYVIHGHYADAGDVAALLSGALNVPMVLTGHSLGRNKLEQLLKQGRMSKEEIDSTYKIMRRIEGEELALDASELVITSTRQEIDEQWGLYDGFDVKLEKVLRARARRGVSCHGRYMPRMVVIPPGMDFSNVVVHEDIDGDGDVKDDIVGLEGASPKSMPPIWAEVMRFLTNPHKPMILALSRPDPKKNITTLVKAFGECRPLRELANLTLIMGNRDDIDDMSAGNASVLTTVLKLIDKYDLYGSVAFPKHHNQADVPEIYRLAAKMKGVFINPALVEPFGLTLIEAAAHGLPIVATKNGGPVDITNALNNGLLVDPHDQNAIADALLKLVADKNLWQECRRNGLRNIHLYSWPEHCRTYLTRVAGCRLRNPRWLKDTPADAGADEEEFLEDSMDAQDLSLRLSIDGEKSSLNTNDPLWFDPQDQVQKIMNNIKQSSALPPSMSSVAAEGTGSTMNKYPLLRRRRRLFVIAVDCYQDDGRASKKMLQVIQEVFRAVRSDSQMFKISGFTLSTAMPLSETLQLLQLGKIPATDFDALICGSGSEVYYPGTANCMDAEGKLRPDQDYLMHISHRWSHDGARQTIAKLMGAQDGSGDAVEQDVASSNAHCVAFLIKDPQKVKTVDEMRERLRMRGLRCHIMYCRNSTRLQVVPLLASRSQALRYLSVRWGVSVGNMYLITGEHGDTDLEEMLSGLHKTVIVRGVTEKGSEALVRSPGSYKRDDVVPSETPLAAYTTGELKADEIMRALKQVSKTSSGM