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Literature summary for 2.4.1.21 extracted from
- Starch granule initiation in Arabidopsis requires the presence of either class IV or class III starch synthases (2009), Plant Cell, 21, 2443-2457.
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arabidopsis thaliana | - |
- |
- |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| SSIV | - |
Arabidopsis thaliana |
General Information
| General Information | Comment | Organism |
|---|---|---|
| physiological function | function of isoform SSIV in the priming process of starch granule formation. SSIV is necessary and sufficient to establish the correct number of starch granules observed in wild-type chloroplasts. The role of SSIV in granule seeding can be replaced, in part, by SSIII. The simultaneous elimination of both proteins prevents Arabidopsis thaliana from synthesizing starch. The soluble starch synthase activity in ssI ssII ssIV mutant plants is 32% of the activity determined in wild-type plants, whereas no soluble SS activity can be detected in ssI ssII ssIII mutant plants | Arabidopsis thaliana |
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Release 2023.1 (January 2023)
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