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Literature summary for 2.1.1.160 extracted from

  • Koshiishi, C.; Kato, A.; Yama, S.; Crozier, A.; Ashihara, H.
    A new caffeine biosynthetic pathway in tea leaves: utilisation of adenosine released from the S-adenosyl-L-methionine cycle (2001), FEBS Lett., 499, 50-54.
    View publication on PubMed
Search for more literature for 2.1.1.160

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 + 3,7-dimethylxanthine Camellia sinensis the enzyme is part of a caffeine biosynthetic pathway which includes a recycling of adenosine released from S-adenosyl-L-methionine in form of xanthosine monophosphate, overview S-adenosyl-L-homocysteine + 1,3,7-trimethylxanthine
-
 ?

Organism

Organism UniProt Comment Textmining
Camellia sinensis
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf activity profile of the enzyme in young, adult, and aged leaves, high activity in young leaves Camellia sinensis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
 in vivo activities after feeding of radiolabeled L-methionine, activity profile of the enzyme in young, adult, and aged leaves, overview Camellia sinensis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + 3,7-dimethylxanthine
-
 Camellia sinensis S-adenosyl-L-homocysteine + 1,3,7-trimethylxanthine i.e. caffeine ?
S-adenosyl-L-methionine + 3,7-dimethylxanthine the enzyme is part of a caffeine biosynthetic pathway which includes a recycling of adenosine released from S-adenosyl-L-methionine in form of xanthosine monophosphate, overview Camellia sinensis S-adenosyl-L-homocysteine + 1,3,7-trimethylxanthine
-
 ?

Synonyms

Synonyms Comment Organism
CS
-
 Camellia sinensis
theobromine 1-N-methyltransferase
-
 Camellia sinensis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
27
-
 assay at Camellia sinensis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
 assay at Camellia sinensis