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Literature summary extracted from

  • Kocsis, M.G.; Ranocha, P.; Gage, D.A.; Simon, E.S.; Rhodes, D.; Peel, G.J.; Mellema, S.; Saito, K.; Awazuhara, M.; Li, C.; Meeley, R.B.; Tarczynski, M.C.; Wagner, C.; Hanson, A.D.
    Insertional inactivation of the methionine S-methyltransferase gene eliminates the S-methylmethionine cycle and increases the methylation ratio (2003), Plant Physiol., 131, 1808-1815.
    View publication on PubMedView publication on EuropePMC

Protein Variants

EC Number Protein Variants Comment Organism
2.1.1.9 additional information constructed insertion mmt null mutant lacks the SMM cycle, but grows and reproduces normally, overview Zea mays
2.1.1.9 additional information constructed insertion mmt null mutant lacks the SMM cycle, but grows and reproduces normally, the mutant shows elevated S-adenosyl-L-methionine levels and reduced S-adenosyl-L-homocysteine levels as well as other amino acid contents being reduced, overview Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.1.1.9 S-adenosyl-L-methionine + a thiol Zea mays enzyme is not essential as methyl donor or as sulfur transport form, enzyme is involved in regulation of the free Met pool and the S-adenosyl-L-methionine level, SMM cycle, overview S-adenosyl-L-homocysteine + a thioether
-
 ?
2.1.1.9 S-adenosyl-L-methionine + a thiol Arabidopsis thaliana enzyme is not essential as methyl donor or as sulfur transport form, enzyme is involved in regulation of the free Met pool and the S-adenosyl-L-methionine level, SMM cycle, overview S-adenosyl-L-homocysteine + a thioether
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.9 Arabidopsis thaliana
-
 gene mmt
-
2.1.1.9 Zea mays
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.1.1.9 leaf
-
 Zea mays
-
2.1.1.9 leaf
-
 Arabidopsis thaliana
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.1.1.9 additional information
-
-
 Zea mays
2.1.1.9 additional information
-
-
 Arabidopsis thaliana

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.1.1.9 S-adenosyl-L-methionine + a thiol
-
 Zea mays S-adenosyl-L-homocysteine + a thioether
-
 ?
2.1.1.9 S-adenosyl-L-methionine + a thiol
-
 Arabidopsis thaliana S-adenosyl-L-homocysteine + a thioether
-
 ?
2.1.1.9 S-adenosyl-L-methionine + a thiol enzyme is not essential as methyl donor or as sulfur transport form, enzyme is involved in regulation of the free Met pool and the S-adenosyl-L-methionine level, SMM cycle, overview Zea mays S-adenosyl-L-homocysteine + a thioether
-
 ?
2.1.1.9 S-adenosyl-L-methionine + a thiol enzyme is not essential as methyl donor or as sulfur transport form, enzyme is involved in regulation of the free Met pool and the S-adenosyl-L-methionine level, SMM cycle, overview Arabidopsis thaliana S-adenosyl-L-homocysteine + a thioether
-
 ?

Synonyms

EC Number Synonyms Comment Organism
2.1.1.9 Met S-methyltransferase
-
 Zea mays
2.1.1.9 Met S-methyltransferase
-
 Arabidopsis thaliana
2.1.1.9 methionine S-methyltransferase
-
 Zea mays
2.1.1.9 methionine S-methyltransferase
-
 Arabidopsis thaliana
2.1.1.9 MMT
-
 Zea mays
2.1.1.9 MMT
-
 Arabidopsis thaliana

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.1.1.9 25
-
 in vivo assay at Zea mays
2.1.1.9 25
-
 in vivo assay at Arabidopsis thaliana