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Literature summary for 2.4.1.14 extracted from

  • Padhi, S.; Grimes, M.M.; Muro-Villanueva, F.; Ortega, J.L.; Sengupta-Gopalan, C.
    Distinct nodule and leaf functions of two different sucrose phosphate synthases in alfalfa (2019), Planta, 250, 1743-1755 .
    View publication on PubMed

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDP-alpha-D-glucose + D-fructose 6-phosphate Medicago sativa
-
UDP + sucrose 6-phosphate
-
?

Organism

Organism UniProt Comment Textmining
Medicago sativa A8WE63
-
-
Medicago sativa Q9AXK3
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Medicago sativa
-
plant vessel isoform SPSA is expressed in the vasculature of all organs Medicago sativa
-
root nodule isoform SPSA is expressed in the N2-fixing zone in the nodules Medicago sativa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-alpha-D-glucose + D-fructose 6-phosphate
-
Medicago sativa UDP + sucrose 6-phosphate
-
?

Synonyms

Synonyms Comment Organism
SPSA isoform Medicago sativa
SpsB isoform Medicago sativa
sucrose phosphate synthase A
-
Medicago sativa
sucrose phosphate synthase B
-
Medicago sativa

General Information

General Information Comment Organism
physiological function isoform SPSA participates in a regulatory cycle in which sucrose is simultaneously degraded and re-synthesized. This function contributes to plant growth in rhizobia nodulated alfalfa plants Medicago sativa
physiological function isoform SPSB is responsible for the synthesis of sucrose in the photosynthetic cells. This function contributes to plant growth in rhizobia nodulated alfalfa plants Medicago sativa