Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary extracted from

  • Zhang, Z.; Mao, X.; Ou, J.; Ye, N.; Zhang, J.; Peng, X.
    Distinct photorespiratory reactions are preferentially catalyzed by glutamate:glyoxylate and serine:glyoxylate aminotransferases in rice (2015), J. Photochem. Photobiol. B, 142, 110-117.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.6.1.4 expression in yeast Oryza sativa Japonica Group
2.6.1.45 expression in yeast Oryza sativa Japonica Group

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.4 0.21
-
glyoxylate cosubstrate L-glutamate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 0.32
-
glyoxylate cosubstrate L-alanine, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 0.55
-
2-oxoglutarate cosubstrate L-alanine, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 1.57
-
L-glutamate cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 2.37
-
L-alanine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 2.96
-
L-alanine cosubstrate 2-oxoglutarate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 0.45
-
glyoxylate cosubstrate L-alanine, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 0.54
-
glyoxylate cosubstrate L-serine, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 0.61
-
pyruvate cosubstrate L-serine, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 2.19
-
L-serine cosubstrate pyruvate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 2.41
-
L-serine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 52.53
-
L-alanine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.6.1.4 54000
-
4 * 54000, SDS-PAGE Oryza sativa Japonica Group
2.6.1.4 240000
-
PAGE Oryza sativa Japonica Group
2.6.1.45 43000
-
8 * 43000, SDS-PAGE Oryza sativa Japonica Group
2.6.1.45 350000
-
PAGE Oryza sativa Japonica Group

Organism

EC Number Organism UniProt Comment Textmining
2.6.1.4 Oryza sativa Japonica Group A0A0P0X1V6
-
-
2.6.1.45 Oryza sativa Japonica Group A0A0P0XHN6
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.6.1.4 leaf
-
Oryza sativa Japonica Group
-
2.6.1.45 leaf
-
Oryza sativa Japonica Group
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.4 L-alanine + 2-oxoglutarate
-
Oryza sativa Japonica Group pyruvate + L-glutamate
-
?
2.6.1.4 L-alanine + glyoxylate
-
Oryza sativa Japonica Group pyruvate + glycine
-
?
2.6.1.4 L-glutamate + glyoxylate
-
Oryza sativa Japonica Group 2-oxoglutarate + glycine
-
?
2.6.1.4 L-glutamate + pyruvate
-
Oryza sativa Japonica Group 2-oxoglutarate + L-alanine
-
?
2.6.1.45 L-alanine + glyoxylate
-
Oryza sativa Japonica Group pyruvate + glycine
-
?
2.6.1.45 L-serine + glyoxylate
-
Oryza sativa Japonica Group 3-hydroxypyruvate + glycine
-
?
2.6.1.45 L-serine + pyruvate
-
Oryza sativa Japonica Group 3-hydroxypyruvate + L-alanine
-
?

Subunits

EC Number Subunits Comment Organism
2.6.1.4 tetramer 4 * 54000, SDS-PAGE Oryza sativa Japonica Group
2.6.1.45 octamer 8 * 43000, SDS-PAGE Oryza sativa Japonica Group

Synonyms

EC Number Synonyms Comment Organism
2.6.1.4 Os07g0108300
-
Oryza sativa Japonica Group
2.6.1.45 Os08g0502700
-
Oryza sativa Japonica Group

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.6.1.4 132.9
-
L-alanine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 140.6
-
L-alanine cosubstrate 2-oxoglutarate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.4 144.9
-
L-glutamate cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 2.03
-
L-serine cosubstrate pyruvate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 8.56
-
L-alanine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group
2.6.1.45 19.82
-
L-serine cosubstrate glyoxylate, pH 7.6, 30°C Oryza sativa Japonica Group

General Information

EC Number General Information Comment Organism
2.6.1.4 physiological function rice leaves usually show 3-4 times higher abundance of glutamate relative to serine, implicating that glutamate:glyoxylate aminotransferase GGAT may preferentially utilize glyoxylate to form glycine over serine:glyoxylate aminotransferase SGAT. When SGAT or GGAT activity is regulated by gene transformation or nitrogen deficiency, respectively, the glycine content is positively related to GGAT activities, while both serine and glycine contents are negatively related to SGAT activities, suggesting that GGAT preferentially catalyzes the conversion of glyoxylate into glycine while SGAT is mainly responsible for the transamination reaction of serine to hydroxypyruvate in the photorespiratory pathway of rice Oryza sativa Japonica Group
2.6.1.45 physiological function rice leaves usually show 3-4 times higher abundance of glutamate relative to serine, implicating that glutamate:glyoxylate aminotransferase GGAT may preferentially utilize glyoxylate to form glycine over serine:glyoxylate aminotransferase SGAT. When SGAT or GGAT activity is regulated by gene transformation or nitrogen deficiency, respectively, the glycine content is positively related to GGAT activities, while both serine and glycine contents are negatively related to SGAT activities, suggesting that GGAT preferentially catalyzes the conversion of glyoxylate into glycine while SGAT is mainly responsible for the transamination reaction of serine to hydroxypyruvate in the photorespiratory pathway of rice Oryza sativa Japonica Group