MARNDWINSYLEAILDVGTSKKKRFESNSKIVQKLGDINSKDHQEKVFGDMNGKDHQEKVFSPIKYFVEEVVNSFDESDLYKTWIKVIATRNTRERSNRLENICWRIWHLARKKKQIVWDDGVRLSKRRIEREQGRNDAEEDLLSELSEGEKDKNDGEKEKSEVVTTLEPPRDHMPRIRSEMQIWSEDDKSSRNLYIVLISMHGLVRGENMELGRDSDTGGQVKYVVELARALANTEGVHRVDLLTRQISSPEVDYSYGEPVEMLSCPPEGSDSCGSYIIRIPCGSRDKYIPKESLWPHIPEFVDGALNHIVSIARSLGEQVNGGKPIWPYVIHGHYADAGEVAAHLAGALNVPMVLTGHSLGRNKFEQLLQQGRITREDIDRTYKIMRRIEAEEQSLDAAEMVVTSTRQEIDAQWGLYDGFDIKLERKLRVRRRRGVSCLGRYMPRMVVIPPGMDFSYVLTQDSQEPDGDLKSLIGPDRNQIKKPVPPIWSEIMRFFSNPHKPTILALSRPDHKKNVTTLVKAFGECQPLRELANLVLILGNRDDIEEMPNSSSVVLMNVLKLIDQYDLYGQVAYPKHHKQSEVPDIYRLAAKTKGVFINPALVEPFGLTLIEAAAYGLPIVATRNGGPVDIVKALNNGLLVDPHDQQAISDALLKLVANKHLWAECRKNGLKNIHRFSWPEHCRNYLSHVEHCRNRHPTSSLDIMKVPEELTSDSLRDVDDISLRFSTEGDFTLNGELDAGTRQKKLVDAISQMNSMKGCSAAIYSPGRRQMLFVVAVDSYDDNGNIKANLNEIIKNMIKAADLTSGKGKIGFVLASGSSLQEVVDITQKNLINLEDFDAIVCNSGSEIYYPWRDMMVDADYETHVEYKWPGESIRSVILRLICTEPAAEDDITEYASSCSTRCYAISVKQGVKTRRVDDLRQRLRMRGLRCNIVYTHAATRLNVIPLCASRIQALRYLSIRWGIDMSKTVFFLGEKGDTDYEDLLGGLHKTIILKGVVGSDSEKLLRSEENFKREDAVPQESPNISYVKENGGSQEIMSTLEAYGIK SPSC 1050 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. F28M11.40 UDP-glucose-fructose-phosphate glucosyltransferase Probable sucrose-phosphate synthase 4 SPSA4_ARATH Sucrose phosphate synthase 4F At4g10120 SPS4