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Literature summary for 2.6.1.96 extracted from

  • Shimajiri, Y.; Ozaki, K.; Kainou, K.; Akama, K.
    Differential subcellular localization, enzymatic properties and expression patterns of gamma-aminobutyric acid transaminases (GABA-Ts) in rice (Oryza sativa) (2013), J. Plant Physiol., 170, 196-201.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene GABA-T1, sequencce comparisons, expression of isozyme GABA-T1 in Escherichia coli strain BL21 (DE3), transient expression of fluorescence-labeled GABA-T proteins in onion epidermal cells, two of the four enzymes are targeted to mitochondria, a third to chloroplasts, and the fourth to cytosol Oryza sativa
gene GABA-T2, sequencce comparisons, expression of isozyme GABA-T2 in Escherichia coli strain BL21 (DE3), transient expression of fluorescence-labeled GABA-T proteins in onion epidermal cells, two of the four enzymes are targeted to mitochondria, a third to chloroplasts, and the fourth to cytosol Oryza sativa
gene GABA-T3, sequence comparisons, expression of isozyme GABA-T3 in Escherichia coli strain BL21 (DE3), transient expression of fluorescence-labeled GABA-T proteins in onion epidermal cells, two of the four enzymes are targeted to mitochondria, a third to chloroplasts, and the fourth to cytosol Oryza sativa
gene GABA-T4, sequencce comparisons, expression of isozyme GABA-T4 in Escherichia coli strain BL21 (DE3), transient expression of fluorescence-labeled GABA-T proteins in onion epidermal cells, two of the four enzymes are targeted to mitochondria, a third to chloroplasts, and the fourth to cytosol Oryza sativa

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Oryza sativa 9507
-
cytosol
-
Oryza sativa 5829
-
mitochondrion
-
Oryza sativa 5739
-
additional information two of the isozymes function in mitochondria and chloroplasts at similar levels of activity, whereas the second mitochondrial enzyme displays very low activity Oryza sativa
-
-
plasma membrane
-
Oryza sativa 5886
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4-aminobutanoate + glyoxylate Oryza sativa
-
succinate semialdehyde + glycine
-
?
4-aminobutanoate + pyruvate Oryza sativa
-
succinate semialdehyde + L-alanine
-
?

Organism

Organism UniProt Comment Textmining
Oryza sativa
-
isozyme GABA-T2
-
Oryza sativa Q6ZH29 isozyme GABA-T4; isozyme GABA-T4
-
Oryza sativa Q7XN11 isozyme GABA-T1; isozyme GABA-T1
-
Oryza sativa Q7XN12 mitochondrial isozyme gamma-aminobutyrate transaminase 2 or GABA-T3; isozyme GABA-T3
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf green leaves at the beginning of flowering Oryza sativa
-
additional information two of the four genes are more highly expressed in the vegetative organs tested, but exhibit a different pattern during seed maturation Oryza sativa
-
panicle
-
Oryza sativa
-
root
-
Oryza sativa
-
seed
-
Oryza sativa
-
stem
-
Oryza sativa
-
vegetative cell
-
Oryza sativa
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-aminobutanoate + glyoxylate
-
Oryza sativa succinate semialdehyde + glycine
-
?
4-aminobutanoate + pyruvate
-
Oryza sativa succinate semialdehyde + L-alanine
-
?

Synonyms

Synonyms Comment Organism
GABA-T
-
Oryza sativa
gamma-aminobutyric acid transaminase
-
Oryza sativa

General Information

General Information Comment Organism
additional information members of the rice GABA-T gene family vary in many respects, such as intracellular targeting, enzymatic activity and regulation of gene expression Oryza sativa