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Literature summary extracted from

  • Koromilas, A.E.; Kyriakidis, D.A.
    Purification and properties of ornithine decarboxylase from germinated barley seeds (1988), Phytochemistry, 27, 989-992.
No PubMed abstract available

General Stability

EC Number General Stability Organism
4.1.1.17 50% loss of activity after freezing and thawing of the purified enzyme Hordeum vulgare

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.1.17 Ba2+ 0.8 mM, 50% inhibition Hordeum vulgare
4.1.1.17 Ca2+ 0.9 mM, 50% inhibition Hordeum vulgare
4.1.1.17 Co2+ 0.5 mM, 50% inhibition Hordeum vulgare
4.1.1.17 K+ 220 mM, 50% inhibition Hordeum vulgare
4.1.1.17 Mg2+ 15 mM, 50% inhibition Hordeum vulgare
4.1.1.17 Mn2+ 1.0 mM, 50% inhibition Hordeum vulgare
4.1.1.17 Na+ 300 mM, 50% inhibition Hordeum vulgare
4.1.1.17 putrescine
-
 Hordeum vulgare
4.1.1.17 spermidine
-
 Hordeum vulgare
4.1.1.17 spermine
-
 Hordeum vulgare
4.1.1.17 Zn2+ 0.8 mM, 50% inhibition Hordeum vulgare

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.1.1.17 0.36
-
 L-Orn
-
 Hordeum vulgare

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
4.1.1.17 chromatin bound Hordeum vulgare 785
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.1.1.17 55000
-
 gel filtration in presence of 0.25 NaCl Hordeum vulgare

Organism

EC Number Organism UniProt Comment Textmining
4.1.1.17 Hordeum vulgare
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.1.17
-
 Hordeum vulgare

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.1.1.17 seed
-
 Hordeum vulgare
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.1.17 0.04
-
-
 Hordeum vulgare

Storage Stability

EC Number Storage Stability Organism
4.1.1.17 0-4°C, 24 h, stable in presence of 0.05 mM pyridoxal 5'-phosphate, 2.5 mM dithiothreitol or 5 mM 2-mercaptoethanol, 10% w/v glycerol at pH 8.5 Hordeum vulgare

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.1.17 L-Orn
-
 Hordeum vulgare Putrescine + CO2
-
 ?

Subunits

EC Number Subunits Comment Organism
4.1.1.17 monomer 1 * 55000, SDS-PAGE Hordeum vulgare

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
4.1.1.17 0.5
-
 Co2+
-
 Hordeum vulgare
4.1.1.17 0.8
-
 Zn2+
-
 Hordeum vulgare
4.1.1.17 0.8
-
 Ba2+
-
 Hordeum vulgare
4.1.1.17 0.9
-
 Ca2+
-
 Hordeum vulgare
4.1.1.17 1
-
 Mn2+
-
 Hordeum vulgare
4.1.1.17 15
-
 Mg2+
-
 Hordeum vulgare
4.1.1.17 220
-
 K+
-
 Hordeum vulgare
4.1.1.17 300
-
 Na+
-
 Hordeum vulgare