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Literature summary extracted from

  • Rivoal, J.; Hanson, A.D.
    Choline-O-sulfate biosynthesis in plants (1994), Plant Physiol., 106, 1187-1193.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.8.2.6 NaCl activity is increased at least 4fold by salinization with 40% v/v artificial sea water Limonium perezii

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.8.2.6 Ca2+
-
 Limonium perezii
2.8.2.6 Fe3+
-
 Limonium perezii
2.8.2.6 Mn2+
-
 Limonium perezii
2.8.2.6 additional information no high-substrate inhibition can be detected Limonium perezii
2.8.2.6 Zn2+
-
 Limonium perezii

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.8.2.6 0.0055
-
 3'-phosphoadenylylsulfate pH 9.0, 22°C Limonium perezii
2.8.2.6 0.025
-
 choline pH 9.0, 22°C Limonium perezii

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.8.2.6 Mg2+ activation Limonium perezii

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.8.2.6 3'-phosphoadenylylsulfate + choline Limonium perezii choline-O-sulfate-biosynthesis, plants accumulate nontoxic compatible osmolytes as osmoprotectants in response to salinity or drought stress adenosine 3',5'-bisphosphate + choline sulfate
-
 ir

Organism

EC Number Organism UniProt Comment Textmining
2.8.2.6 Limonium latifolium
-
 (Sm.)O.Kuntze
-
2.8.2.6 Limonium nashii
-
 Small
-
2.8.2.6 Limonium perezii
-
-
-
2.8.2.6 Limonium ramosissimum
-
 G.Donelly
-
2.8.2.6 Limonium sinuatum
-
 Mill
-
2.8.2.6 no activity in Brassica napus
-
 L.cv. Westar
-
2.8.2.6 no activity in Brassica oleracea
-
 L.cv April Red
-
2.8.2.6 no activity in Helianthus annuus
-
 sunflower, L. cv Sundak
-
2.8.2.6 no activity in Hordeum vulgare
-
 barley, L. cv Proctor
-
2.8.2.6 no activity in Zea mays
-
 maize, L. cv COOP 6309
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.8.2.6 leaf
-
 Limonium perezii
-
2.8.2.6 leaf
-
 Limonium latifolium
-
2.8.2.6 leaf
-
 Limonium nashii
-
2.8.2.6 leaf
-
 Limonium ramosissimum
-
2.8.2.6 leaf
-
 Limonium sinuatum
-
2.8.2.6 root
-
 Limonium perezii
-
2.8.2.6 root
-
 Limonium latifolium
-
2.8.2.6 root
-
 Limonium nashii
-
2.8.2.6 root
-
 Limonium ramosissimum
-
2.8.2.6 root
-
 Limonium sinuatum
-
2.8.2.6 seed
-
 Limonium perezii
-
2.8.2.6 seed
-
 Limonium latifolium
-
2.8.2.6 seed
-
 Limonium nashii
-
2.8.2.6 seed
-
 Limonium ramosissimum
-
2.8.2.6 seed
-
 Limonium sinuatum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.8.2.6 3'-phosphoadenylylsulfate + choline
-
 Limonium perezii adenosine 3',5'-bisphosphate + choline sulfate
-
 ir
2.8.2.6 3'-phosphoadenylylsulfate + choline choline-O-sulfate-biosynthesis, plants accumulate nontoxic compatible osmolytes as osmoprotectants in response to salinity or drought stress Limonium perezii adenosine 3',5'-bisphosphate + choline sulfate
-
 ir

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.8.2.6 9
-
-
 Limonium perezii

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.8.2.6 7.6 9.9 about 50% of activity maximum at pH 7.6, about 70% of activity maximum at pH 9.9 Limonium perezii

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
2.8.2.6 7.6
-
 retains 50% of its activity Limonium perezii