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Literature summary extracted from

  • Siegl, G.; Stitt, M.
    Partial purification of two forms of spinach leaf sucrose-phosphate synthase which differ in their kinetic properties (1990), Plant Sci., 66, 205-210.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.14 glucose-6-phosphate
-
 Spinacia oleracea
2.4.1.14 mannose pretreatment lowers sensitivity to phosphate inhibition Spinacia oleracea

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.4.1.14 phosphate
-
 Spinacia oleracea
2.4.1.14 sucrose preincubation increases sensitivity to phosphate inhibition Spinacia oleracea

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.14 4.4
-
 UDP-glucose after preincubation with mannose Spinacia oleracea
2.4.1.14 5.2
-
 D-fructose 6-phosphate after preincubation with mannose Spinacia oleracea
2.4.1.14 6.7
-
 UDP-glucose after preincubation with sucrose Spinacia oleracea
2.4.1.14 9.3
-
 D-fructose 6-phosphate after preincubation with sucrose Spinacia oleracea

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate Spinacia oleracea catalyzes the penultimate step of sucrose synthesis UDP + sucrose 6-phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.14 Spinacia oleracea
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.1.14 partial Spinacia oleracea

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.14 leaf
-
 Spinacia oleracea
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate
-
 Spinacia oleracea UDP + sucrose 6-phosphate
-
 ?
2.4.1.14 UDP-alpha-D-glucose + D-fructose 6-phosphate catalyzes the penultimate step of sucrose synthesis Spinacia oleracea UDP + sucrose 6-phosphate
-
 ?