Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.1.1.274 extracted from

  • Deng, W.W.; Wang, R.; Yang, T.; Jiang, L.; Zhang, Z.Z.
    Functional characterization of salicylic acid carboxyl methyltransferase from Camellia sinensis, providing the aroma compound of methyl salicylate during the withering process of white tea (2017), J. Agric. Food Chem., 65, 11036-11045 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene SAMT, sequence comparisons, regulatory elements in the cloned CsSAMT promoter sequence, real-time quantitative PCR enzyme expression analysis, recombinant expression in Escherichia coli and in Saccharomyces cerevisiae Camellia sinensis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information kinetics Camellia sinensis

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Camellia sinensis 9507
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + salicylate Camellia sinensis
-
methyl salicylate + S-adenosyl-L-homocysteine
-
?

Organism

Organism UniProt Comment Textmining
Camellia sinensis A0A167V6N5
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme CsSAMT from Escherichia coli and from Saccharomyces cerevisiae Camellia sinensis

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Camellia sinensis
-
additional information the CsSAMT gene expression profiles are quite different in tea organs Camellia sinensis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information substrate specificity of recombinant enzyme, overview Camellia sinensis ?
-
-
S-adenosyl-L-methionine + salicylate
-
Camellia sinensis methyl salicylate + S-adenosyl-L-homocysteine
-
?

Synonyms

Synonyms Comment Organism
CsSAMT
-
Camellia sinensis
salicylic acid carboxyl methyltransferase
-
Camellia sinensis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Camellia sinensis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
10 40 over 50% of maximal activity within this range Camellia sinensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
-
Camellia sinensis

Cofactor

Cofactor Comment Organism Structure
S-adenosyl-L-methionine
-
Camellia sinensis

General Information

General Information Comment Organism
physiological function salicylic acid carboxyl methyltransferase activity from Camellia sinensis provides the aroma compound methyl salicylate (MeSA) during the withering process of white tea. During the withering process for white tea producing, MeSA is generated by salicylic acid carboxyl methyltransferase (SAMT) with salicylic acid (SA), and the specific floral scent is formed Camellia sinensis