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Literature summary for 2.1.1.10 extracted from

  • Ranocha, P.; McNeil, S.D.; Ziemak, M.J.; Li, C.; Tarczynski, M.C.; Hanson, A.D.
    The S-methylmethionine cycle in angiosperms: ubiquity, antiquity and activity (2001), Plant J., 25, 575-584.
    View publication on PubMed
Search for more literature for 2.1.1.10

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Arabidopsis thaliana

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.027
-
 L-homocysteine pH 7.5, 25°C, cosubstrate: S-adenosyl-L-methionine Arabidopsis thaliana
0.03
-
 L-homocysteine pH 7.5, 25°C, cosubstrate: S-methyl-L-methionine Arabidopsis thaliana
0.335
-
 S-methyl-L-methionine pH 7.5, 25°C Arabidopsis thaliana
1.76
-
 S-adenosyl-L-methionine pH 7.5, 25°C Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-methyl-L-methionine + L-homocysteine Arabidopsis thaliana synthesis of L-methionine from homocysteine 2 L-methionine
-
 ?

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana Q8LAX0 ecotype Columbia
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf rosette leaves, cauline leaves Arabidopsis thaliana
-
root
-
 Arabidopsis thaliana
-
seed
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + L-homocysteine the Km-value for S-adenosyl-L-methionine is higher than for S-methyl-L-methionine and the Vmax value is lower Arabidopsis thaliana S-adenosyl-L-homocysteine + L-methionine
-
 ?
S-methyl-L-methionine + L-homocysteine
-
 Arabidopsis thaliana 2 L-methionine
-
 ?
S-methyl-L-methionine + L-homocysteine synthesis of L-methionine from homocysteine Arabidopsis thaliana 2 L-methionine
-
 ?

Synonyms

Synonyms Comment Organism
AtHMT-3
-
 Arabidopsis thaliana