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Literature summary for 5.4.3.8 extracted from

  • Kannangara, C.G.; Gough, S.P.
    Biosynthesis of DELTA-aminolevulinate in greening barley leaves: glutamate 1-semialdehyde aminotransferase (1978), Carlsberg Res. Commun., 43, 185-194.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Aminooxyacetate 20 mM, 57% inhibition Hordeum vulgare
cycloserine 20 mM, 43% inhibition Hordeum vulgare
D-penicillamine 20 mM, 9% inhibition Hordeum vulgare
glyoxylate 20 mM, 27% inhibition Hordeum vulgare
additional information no inhibition by 3-hydroxyglutamate Hordeum vulgare
p-chloromercuribenzoate 0.1 mM, 45% inhibition Hordeum vulgare
pyridoxal 5'-phosphate 5 mM, 47% inhibition Hordeum vulgare

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.4
-
(S)-4-Amino-5-oxopentanoate
-
Hordeum vulgare

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast mature Hordeum vulgare 9507
-
plastid low specific activity in etiolated plastids compared to greening plastids Hordeum vulgare 9536
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
67000
-
x * 67000, SDS-PAGE Hordeum vulgare
500000
-
gel filtration Hordeum vulgare

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
(S)-4-Amino-5-oxopentanoate Hordeum vulgare the enzyme may catalyze a part reaction in the conversion of L-Glu to 5-amino-4-oxopentanoate in greening plastids ?
-
?

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Hordeum vulgare

Source Tissue

Source Tissue Comment Organism Textmining
leaf greening Hordeum vulgare
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(S)-4-Amino-5-oxopentanoate
-
Hordeum vulgare 5-Amino-4-oxopentanoate
-
?
(S)-4-Amino-5-oxopentanoate the enzyme may catalyze a part reaction in the conversion of L-Glu to 5-amino-4-oxopentanoate in greening plastids Hordeum vulgare ?
-
?

Subunits

Subunits Comment Organism
? x * 67000, SDS-PAGE Hordeum vulgare

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Hordeum vulgare

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
14 30 14°C: 41% of maximal activity, 22°C: 76.4% of maximal activity Hordeum vulgare

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
broad Hordeum vulgare

pH Range

pH Minimum pH Maximum Comment Organism
6.7 8.8 pH 6.7: about 45% of maximal activity, pH 8.8: about 90% of maximal activity Hordeum vulgare