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Literature summary extracted from

  • Vlot, A.C.; Liu, P.P.; Cameron, R.K.; Park, S.W.; Yang, Y.; Kumar, D.; Zhou, F.; Padukkavidana, T.; Gustafsson, C.; Pichersky, E.; Klessig, D.F.
    Identification of likely orthologs of tobacco salicylic acid-binding protein 2 and their role in systemic acquired resistance in Arabidopsis thaliana (2008), Plant J., 56, 445-456.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.1.1.1 MES family phylogenetic tree Arabidopsis thaliana

Protein Variants

EC Number Protein Variants Comment Organism
3.1.1.1 additional information transgenes containing AtMES1mod, AtMES7mod, AtMES9syn, or SABP2syn2 driven by the beta-estradiol-inducible XVE promoter are expressed in the systemic leaves of SABP2-silenced tobacco by estradiol treatment 1 day after the primary infection, phenotypes, overview Arabidopsis thaliana

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.1.1 salicylate of 14 recombinant methyl esterase proteins tested, five show preference for methyl salicylate as a substrate and display salicylate inhibition of methyl salicylate esterase activity in vitro, i.e. AtMES1, -2, -4, -7, and -9 Arabidopsis thaliana

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.1.1 methyl salicylate + H2O Arabidopsis thaliana
-
 methanol + salicylate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.1 Arabidopsis thaliana
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.1.1 leaf
-
 Arabidopsis thaliana
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.1 methyl salicylate + H2O
-
 Arabidopsis thaliana methanol + salicylate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.1.1 MeSA esterase
-
 Arabidopsis thaliana
3.1.1.1 More the enzyme belongs to the methyl esterase, MES, family Arabidopsis thaliana
3.1.1.1 SABP2's methyl salicylate esterase
-
 Arabidopsis thaliana
3.1.1.1 salicylic acid-binding protein 2
-
 Arabidopsis thaliana

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
3.1.1.1 0.0083
-
 salicylate AtMES1, pH and temperature not specified in the publication Arabidopsis thaliana
3.1.1.1 0.0086
-
 salicylate AtMES9, pH and temperature not specified in the publication Arabidopsis thaliana

Expression

EC Number Organism Comment Expression
3.1.1.1 Arabidopsis thaliana AtMES1 and -9 are induced in Col-0 wild-type plants before or after mock inoculation or inoculation with Pseudomonas syringae pv. tomato DC3000 AvrRpm1 up

General Information

EC Number General Information Comment Organism
3.1.1.1 malfunction underexpression by knockout mutation and/or RNAi-mediated silencing of multiple AtMES genes, including AtMES1, -2, -7, and -9, compromises systemic acquired resistance in Arabidopsis and correlated with enhanced accumulation of MeSA in the systemic tissue of systemic acquired resistance-induced plants Arabidopsis thaliana
3.1.1.1 additional information of 14 recombinant methyl esterase proteins tested, five show preference for methyl salicylate as a substrate and display salicylate inhibition of methyl salicylate esterase activity in vitro, i.e. AtMES1, -2, -4, -7, and -9 Arabidopsis thaliana
3.1.1.1 physiological function SABP2's methyl salicylate esterase activity is required in healthy systemic tissues of infected plants to release the active defense phytohormone SA from methyl salicylate, which serves as a long-distance signal for systemic acquired resistance Arabidopsis thaliana