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Literature summary for 2.1.1.373 extracted from

  • Summers, P.; Nolte, K.; Cooper, A.; Borgeas, H.; Leustek, T.; Rhodes, D.; Hanson, A.
    Identification and stereospecificity of the first three enzymes of 3-dimethylsulfoniopropionate biosynthesis in a chlorophyte alga (1998), Plant Physiol., 116, 369-378 .
No PubMed abstract available
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KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.008
-
 (2R)-2-hydroxy-4-(methylsulfanyl)butanoate S0.5 value, pH 7.0, 22°C Ulva intestinalis
0.03
-
 S-adenosyl-L-methionine S0.5 value, pH 7.0, 22°C Ulva intestinalis

Organism

Organism UniProt Comment Textmining
Ulva intestinalis
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information no substrates: 3-methylthiopropionate, 3-methylthiopropylamine, D/L-methionine, L-S-methylcysteine Ulva intestinalis ?
-
-
S-adenosyl-L-methionine + (2R)-2-hydroxy-4-(methylsulfanyl)butanoate enzyme is specific for (2R)-enantiomer of 2-hydroxy-4-(methylsulfanyl)butanoate Ulva intestinalis S-adenosyl-L-homocysteine + (2R)-4-(dimethylsulfaniumyl)-2-hydroxybutanoate
-
 ?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5 8 broad Ulva intestinalis

General Information

General Information Comment Organism
physiological function the enzyme is involved in the 3-dimethylsulfoniopropionate synthesis pathway. The enzyme may be involved to confer osmotolerance. The product (2R)-4-(dimethylsulfaniumyl)-2-hydroxybutanoate is an osmoprotectant Ulva intestinalis