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Literature summary for 2.3.1.99 extracted from

  • Strack, D.; Keller, H.; Weissenböck, G.
    Enzymatic synthesis of hydroxycinnamic acid esters of sugar acids and hydroaromatic acids by protein preparations from rye (Secale cereale) primary leaves (1987), J. Plant Physiol., 131, 61-73.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
EDTA activation Secale cereale

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.05
-
feruloyl-CoA
-
Secale cereale
4.3
-
quinate
-
Secale cereale

Organism

Organism UniProt Comment Textmining
Secale cereale
-
rye, var. Kustro
-

Purification (Commentary)

Purification (Comment) Organism
partial Secale cereale

Source Tissue

Source Tissue Comment Organism Textmining
leaf primary Secale cereale
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.0042
-
-
Secale cereale

Storage Stability

Storage Stability Organism
-20°C, at least 6 months Secale cereale

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-coumaroyl-CoA + quinate at 39% the rate of the reaction with feruloyl-CoA Secale cereale CoA + 5-O-(4-coumaroyl)quinate
-
?
caffeoyl-CoA + quinate condensation at 10% the rate of the reaction with feruloyl-CoA Secale cereale CoA + 5-O-caffeoylquinate i.e. chlorogenic acid ?
feruloyl-CoA + quinate best substrate Secale cereale CoA + O-feruloylquinate
-
?
p-coumaroyl-CoA + shikimate
-
Secale cereale CoA + 5-O-(p-coumaroyl)shikimate
-
?
sinapoyl-CoA + quinate at 21% the rate of the reaction with feruloyl-CoA Secale cereale CoA + 5-O-sinapoylquinate
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
80
-
denaturation after 5 min Secale cereale

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
100 mM potassium phosphate buffer Secale cereale

pH Range

pH Minimum pH Maximum Comment Organism
6.9 8 about 80% of maximal activity at pH 6.9 and 8.0 Secale cereale