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Literature summary for 2.6.1.13 extracted from

  • Stranska, J.; Tylichova, M.; Kopecny, D.; Snegaroff, J.; Sebela, M.
    Biochemical characterization of pea ornithine-delta-aminotransferase: substrate specificity and inhibition by di- and polyamines (2010), Biochimie, 92, 940-948.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli as a His-tagged fusion protein Pisum sativum

Inhibitors

Inhibitors Comment Organism Structure
1,3-diaminopropane
-
Pisum sativum
diethylenetriamine
-
Pisum sativum
L-norvaline
-
Pisum sativum
norspermidine
-
Pisum sativum
putrescine
-
Pisum sativum
spermidine
-
Pisum sativum
spermine
-
Pisum sativum
triethylenetetramine
-
Pisum sativum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
15
-
L-ornithine pH 8.0, 37°C Pisum sativum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
monomer Pisum sativum

Organism

Organism UniProt Comment Textmining
Pisum sativum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
using Ni-NTA chromatography Pisum sativum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-ornithine + 2-oxoglutarate
-
Pisum sativum DELTA1-pyrroline-5-carboxylate + L-glutamate
-
?

Synonyms

Synonyms Comment Organism
ornithine-delta-aminotransferase
-
Pisum sativum
PsOAT
-
Pisum sativum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
43
-
-
Pisum sativum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
58
-
temperature at which 50% of the activity is retained upon 30 min Pisum sativum

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
4.3
-
L-ornithine pH 8.0, 37°C Pisum sativum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.8
-
-
Pisum sativum

Cofactor

Cofactor Comment Organism Structure
pyridoxal 5'-phosphate
-
Pisum sativum

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.8
-
triethylenetetramine pH 8.0, 37°C Pisum sativum
2 5 spermidine pH 8.0, 37°C Pisum sativum
3
-
diethylenetriamine pH 8.0, 37°C Pisum sativum
7
-
L-norvaline pH 8.0, 37°C Pisum sativum
13
-
norspermidine pH 8.0, 37°C Pisum sativum
17
-
spermine pH 8.0, 37°C Pisum sativum
35
-
1,3-diaminopropane pH 8.0, 37°C Pisum sativum
90
-
putrescine pH 8.0, 37°C Pisum sativum

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.2867
-
L-ornithine pH 8.0, 37°C Pisum sativum