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Literature summary for 2.1.1.158 extracted from

  • Negishi, O.; Ozawa, T.; Imagawa, H.
    The role of xanthosine in the biosynthesis of caffeine in coffe plants (1985), Agric. Biol. Chem., 49, 2221-2222.
No PubMed abstract available
Search for more literature for 2.1.1.158

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + xanthosine Coffea arabica in vivo feeding experiments with radio-labeled substrate, product determination, overview S-adenosyl-L-homocysteine + 7-methylxanthosine
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 ir

Organism

Organism UniProt Comment Textmining
Coffea arabica
-
-
-

Purification (Commentary)

Purification (Comment) Organism
native enzyme partially from young leaves by ammonium sulfate fractionation, gel filtration, and ultrafiltration Coffea arabica

Source Tissue

Source Tissue Comment Organism Textmining
callus
-
 Coffea arabica
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fruit
-
 Coffea arabica
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leaf
-
 Coffea arabica
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shoot
-
 Coffea arabica
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shoot tip
-
 Coffea arabica
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + xanthosine
-
 Coffea arabica S-adenosyl-L-homocysteine + 7-methylxanthosine
-
 ir
S-adenosyl-L-methionine + xanthosine in vivo feeding experiments with radio-labeled substrate, product determination, overview Coffea arabica S-adenosyl-L-homocysteine + 7-methylxanthosine
-
 ir

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20
-
 assay at Coffea arabica

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
 assay at Coffea arabica