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Literature summary extracted from

  • Tabuchi, T.; Kawaguchi, Y.; Azuma, T.; Nanmori, T.; Yasuda, T.
    Similar regulation patterns of choline monooxygenase, phosphoethanolamine N-methyltransferase and S-adenosyl-L-methionine synthetase in leaves of the halophyte Atriplex nummularia L (2005), Plant Cell Physiol., 46, 505-513.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.5.1.6 additional information salt stress induces the enzyme, differential effects on betaine and lignin biosynthesis, overview Atriplex nummularia

Cloned(Commentary)

EC Number Cloned (Comment) Organism
1.14.15.7 expression in Escherichia coli Atriplex nummularia
2.1.1.103
-
Atriplex nummularia
2.5.1.6 gene SAMS1, a housekeeping gene, DNA and amino acid sequence determination and analysis, expression analysis and regulation, overview, expression of soluble His-tagged isozyme SAMS1 in Escherichia coli strain M15 Atriplex nummularia
2.5.1.6 gene SAMS2, a housekeeping gene, DNA and amino acid sequence determination and analysis, expression analysis and regulation, overview Atriplex nummularia
2.5.1.6 gene SAMS3, a housekeeping gene, DNA and amino acid sequence determination and analysis, expression analysis and regulation, overview Atriplex nummularia
2.5.1.6 gene SAMS4, a housekeeping gene, DNA and amino acid sequence determination and analysis, expression analysis and regulation, overview Atriplex nummularia

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.5.1.6 Mg2+
-
Atriplex nummularia

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.14.15.7 choline + O2 + reduced ferredoxin Atriplex nummularia
-
betaine aldehyde hydrate + H2O + oxidized ferredoxin
-
?
2.1.1.103 additional information Atriplex nummularia the transcript levels of S-adenosyl-L-methionine synthetase are coregulated with those of phosphoethanolamine N-methyltransferase and choline monooxygenase to supply S-adenosyl-L-methionine for betaine synthesis in the leaves ?
-
?
2.5.1.6 ATP + L-methionine + H2O Atriplex nummularia S-adenosyl-L-methionine is required for betaine synthesis and also for the synthesis of other compounds, especially lignin, transcript levels of the enzyme are co-regulated with those of phosphoethanolamine N-methyltransferase and choline monooxygenase to supply S-adenosyl-L-methionine for betaine synthesis in the leaves, overview, enzyme regulation pattern in plant tissues, overview phosphate + diphosphate + S-adenosyl-L-methionine
-
?

Organism

EC Number Organism UniProt Comment Textmining
1.14.15.7 Atriplex nummularia Q7XZR0
-
-
2.1.1.103 Atriplex nummularia
-
-
-
2.5.1.6 Atriplex nummularia Q6F3F0 isozyme SAMS3; a halophyte, isozyme SAMS3
-
2.5.1.6 Atriplex nummularia Q6F3F1 isozyme SAMS4; a halophyte, isozyme SAMS4
-
2.5.1.6 Atriplex nummularia Q6F3F3 isozyme SAMS2; a halophyte, isozyme SAMS2
-
2.5.1.6 Atriplex nummularia Q7XZR1 isozyme SAMS1; a halophyte, isozyme SAMS1
-

Purification (Commentary)

EC Number Purification (Comment) Organism
1.14.15.7 recombinant AnCMO Atriplex nummularia
2.5.1.6 recombinant His-tagged isozyme SAMS1 from Escherichia coli strain M15 Atriplex nummularia

Source Tissue

EC Number Source Tissue Comment Organism Textmining
1.14.15.7 leaf expression is induced by salt stress, AnCMO transcript is regulated on a daily, i.e. circardian rhythm Atriplex nummularia
-
1.14.15.7 stem expression is induced by salt stress Atriplex nummularia
-
2.1.1.103 leaf
-
Atriplex nummularia
-
2.5.1.6 leaf
-
Atriplex nummularia
-
2.5.1.6 additional information isozyme expression pattern in plant tissues, overview Atriplex nummularia
-
2.5.1.6 root
-
Atriplex nummularia
-
2.5.1.6 stem
-
Atriplex nummularia
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.5.1.6 0.109
-
purified recombinant His-tagged isozyme SAMS1 Atriplex nummularia

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.15.7 choline + O2 + reduced ferredoxin
-
Atriplex nummularia betaine aldehyde hydrate + H2O + oxidized ferredoxin
-
?
2.1.1.103 additional information the transcript levels of S-adenosyl-L-methionine synthetase are coregulated with those of phosphoethanolamine N-methyltransferase and choline monooxygenase to supply S-adenosyl-L-methionine for betaine synthesis in the leaves Atriplex nummularia ?
-
?
2.5.1.6 ATP + L-methionine + H2O
-
Atriplex nummularia phosphate + diphosphate + S-adenosyl-L-methionine
-
?
2.5.1.6 ATP + L-methionine + H2O S-adenosyl-L-methionine is required for betaine synthesis and also for the synthesis of other compounds, especially lignin, transcript levels of the enzyme are co-regulated with those of phosphoethanolamine N-methyltransferase and choline monooxygenase to supply S-adenosyl-L-methionine for betaine synthesis in the leaves, overview, enzyme regulation pattern in plant tissues, overview Atriplex nummularia phosphate + diphosphate + S-adenosyl-L-methionine
-
?

Synonyms

EC Number Synonyms Comment Organism
1.14.15.7 AnCMO
-
Atriplex nummularia
2.1.1.103 PEAMT
-
Atriplex nummularia
2.1.1.103 phosphoethanolamine N-methyltransferase
-
Atriplex nummularia
2.5.1.6 S-adenosyl-L-methionine synthetase
-
Atriplex nummularia
2.5.1.6 SAM synthetase
-
Atriplex nummularia
2.5.1.6 SAMS
-
Atriplex nummularia

Cofactor

EC Number Cofactor Comment Organism Structure
2.5.1.6 ATP
-
Atriplex nummularia