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Details on Person UniProt:Q53JI9 SPS5
| Class:Id | ReferenceGeneProduct:1162089 |
|---|---|
| _chainChangeLog | chain:1-1014 added on Fri February 6 2015 |
| _displayName | UniProt:Q53JI9 SPS5 |
| _timestamp | 2025-02-21 19:23:09 |
| chain | chain:1-1014 |
| checksum | 6AF4C8059E23B842 |
| comment | 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 (By similarity).CATALYTIC ACTIVITY beta-D-fructose 6-phosphate + UDP-alpha-D-glucose = sucrose 6(F)-phosphate + UDP + H(+)ACTIVITY REGULATION Activity is regulated by phosphorylation and moderated by concentration of metabolites and light.PATHWAY Glycan biosynthesis; sucrose biosynthesis; sucrose from D-fructose 6-phosphate and UDP-alpha-D-glucose: step 1/2.SUBUNIT Homodimer or homotetramer.TISSUE SPECIFICITY Expressed in germinating seeds.DEVELOPMENTAL STAGE Expressed in source leaves and sink leaves.INDUCTION Circadian-regulated, with the highest expression 1 hour after the beginning of dark period (in 14 hours light/10 hours dark cycle).SIMILARITY Belongs to the glycosyltransferase 1 family. |
| created | [InstanceEdit:1164949] Wu, Guanming, 2010-12-11 |
| crossReference | [DatabaseIdentifier:1135003] UniProtKB:Q53NB0 [DatabaseIdentifier:1134367] UniProtKB:Q53JI9 [DatabaseIdentifier:1133648] UniProtKB:B8BJU1 |
| description | recommendedName: Probable sucrose-phosphate synthase 5 ecNumber: 2.4.1.14 alternativeName: Sucrose phosphate synthase 5F shortName: OsSPS5F alternativeName: UDP-glucose-fructose-phosphate glucosyltransferase |
| geneName | SPS5 SPS11 Os11g0236100 LOC_Os11g12810 |
| identifier | Q53JI9 |
| isSequenceChanged | FALSE |
| keyword | Glycosyltransferase Reference proteome Transferase |
| modified | [InstanceEdit:5151377] D'Eustachio, P, 2013-11-20 [InstanceEdit:5263031] Weiser, JD [InstanceEdit:5433710] Weiser, JD [InstanceEdit:5634237] Weiser, JD [InstanceEdit:5673015] Weiser, JD [InstanceEdit:9037114] Weiser, JD [InstanceEdit:9627708] Weiser, JD [InstanceEdit:9637257] Weiser, JD [InstanceEdit:9657908] Weiser, JD [InstanceEdit:9676415] Weiser, JD [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9939033] Weiser, Joel, 2025-02-21 |
| name | SPS5 |
| referenceDatabase | [ReferenceDatabase:2] UniProt |
| secondaryIdentifier | SPSA5_ORYSJ Q0ITN3 Q53NB0 |
| sequenceLength | 1014 |
| species | [Species:1250427] Oryza sativa subsp. japonica |
| (referenceEntity) | [EntityWithAccessionedSequence:1129991] sucrose-phosphate synthase (LOC_OS11G12810.1) [cytosol] [Oryza sativa] |
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No pathways have been reviewed or authored by UniProt:Q53JI9 SPS5 (1162089)
