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Literature summary for 2.3.1.140 extracted from

  • Petersen, M.S.
    Characterization of rosmarinic acid synthase from cell cultures of Coleus blumei (1991), Phytochemistry, 30, 2877-2881.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
3,4-Dihydroxyphenylpyruvate
-
Coleus scutellarioides
4-hydroxymercuribenzoate complete inhibition at concentrations higher than 0.5 mM Coleus scutellarioides
4-hydroxyphenylpyruvate
-
Coleus scutellarioides
CoA non-competitive inhibitor Coleus scutellarioides
additional information cinnamic acids are not inhibitory Coleus scutellarioides
rosmarinic acid strong inhibitor, at concentration higher than 0.2 mM, non-competitive Coleus scutellarioides
S(-)-3,4-dihydroxyphenyllactate
-
Coleus scutellarioides

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.015
-
rosmarinic acid reverse reaction Coleus scutellarioides
0.02
-
4-coumaroyl-CoA
-
Coleus scutellarioides
0.033
-
caffeoyl-CoA
-
Coleus scutellarioides
0.17
-
4-hydroxyphenyllactate
-
Coleus scutellarioides
0.31
-
CoA reverse reaction Coleus scutellarioides
0.37
-
3,4-Dihydroxyphenyllactate
-
Coleus scutellarioides

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Coleus scutellarioides
-
-

Organism

Organism UniProt Comment Textmining
Coleus scutellarioides
-
enzyme is induced by 4% sucrose content of the medium
-

Oxidation Stability

Oxidation Stability Organism
O2-sensitive, 10 mM DTT enhances enzyme activity 600%, 0.5 mM ascorbate enhances activity 200% Coleus scutellarioides

Purification (Commentary)

Purification (Comment) Organism
-
Coleus scutellarioides

Storage Stability

Storage Stability Organism
-18°C, several weeks in desalted state Coleus scutellarioides

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-coumaroyl-CoA + 3-(3,4-dihydroxyphenyl)lactate
-
Coleus scutellarioides CoA + 2-O-(4-coumaroyl)-3-(3,4-dihydroxyphenyl)lactate
-
?
4-coumaroyl-CoA + 3-(4-hydroxyphenyl)lactate
-
Coleus scutellarioides CoA + 2-O-(4-coumaroyl)-3-(4-hydroxyphenyl)lactate
-
?
caffeoyl-CoA + 3-(3,4-dihydroxyphenyl)lactate only R(+)-stereoisomer of 3-(3,4-dihydroxyphenyl)lactate is accepted Coleus scutellarioides CoA + rosmarinate
-
r
caffeoyl-CoA + 3-(3-methoxy-4-hydroxyphenyl)lactate
-
Coleus scutellarioides CoA + 2-O-caffeoyl-3-(3-methoxy-4-hydroxyphenyl)lactate
-
?
caffeoyl-CoA + 3-(4-hydroxyphenyl)lactate
-
Coleus scutellarioides CoA + 2-O-caffeoyl-3-(4-hydroxyphenyl)lactate
-
?
cinnamoyl-CoA + 3-(3,4-dihydroxyphenyl)lactate
-
Coleus scutellarioides CoA + 2-O-cinnamoyl-3-(3,4-dihydroxyphenyl)lactate
-
?

Synonyms

Synonyms Comment Organism
RAS
-
Coleus scutellarioides

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
caffeoyl-CoA as substrate Coleus scutellarioides
40
-
4-coumaroyl-CoA as substrate Coleus scutellarioides

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
5 h, no loss of activity Coleus scutellarioides

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 7.5
-
Coleus scutellarioides

pH Range

pH Minimum pH Maximum Comment Organism
6.5 8.5 half-maximal activity at pH 6.5 and pH 8.5 Coleus scutellarioides

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5 10
-
Coleus scutellarioides

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
1.7
-
CoA non-competitive inhibitor Coleus scutellarioides