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Literature summary for 2.3.1.72 extracted from

  • Kesy, J.M.; Bandurski, R.S.
    Partial purification and characterization of indol-3-ylacetylglucoe:myo-inositol indol-3-ylacetyltransferase (indoleacetic acid-inositol synthase) (1990), Plant Physiol., 94, 1598-1604.
    View publication on PubMedView publication on EuropePMC

General Stability

General Stability Organism
lyophilization, stable to Zea mays

Inhibitors

Inhibitors Comment Organism Structure
2-mercaptoethanol 74% inhibition at 5 mM Zea mays
Dithionite inhibition at 40 mM Zea mays
dithiothreitol 98% inhibition at 5 mM Zea mays

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.03
-
1-O-indol-3-yl-acetyl-beta-D-glucose
-
Zea mays
4.1
-
myo-inositol
-
Zea mays

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
59000
-
gel filtration Zea mays

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
indole-3-acetyl-beta-1-D-glucoside + myo-inositol Zea mays involved in biosynthesis of indole-3-acetyl-beta-1,4-glucan D-glucose + indole-3-acetyl-myo-inositol
-
?

Organism

Organism UniProt Comment Textmining
Zea mays
-
sweet corn, var. Seneca Horizon
-

Purification (Commentary)

Purification (Comment) Organism
-
Zea mays

Source Tissue

Source Tissue Comment Organism Textmining
kernel endosperm Zea mays
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
13.3
-
-
Zea mays

Storage Stability

Storage Stability Organism
-20°C, crude liquid endosperm, several years, no loss of activity Zea mays
4°C, more than 2 months Zea mays

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
indole-3-acetyl-beta-1-D-glucoside + myo-inositol scyllo-inositol or myo-inosose-2 can replace myo-inositol Zea mays D-glucose + indole-3-acetyl-myo-inositol
-
?
indole-3-acetyl-beta-1-D-glucoside + myo-inositol myo-inositol-D-galactopyranose, cyclohexanol, mannitol, glycerol Zea mays D-glucose + indole-3-acetyl-myo-inositol
-
?
indole-3-acetyl-beta-1-D-glucoside + myo-inositol involved in biosynthesis of indole-3-acetyl-beta-1,4-glucan Zea mays D-glucose + indole-3-acetyl-myo-inositol
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Zea mays

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
pI: 6.1 Zea mays