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Information on EC 2.5.1.116 - homogentisate geranylgeranyltransferase and Organism(s) Oryza sativa and UniProt Accession Q0DAK7

for references in articles please use BRENDA:EC2.5.1.116
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EC Tree
IUBMB Comments
Requires Mg2+ for activity. Involved in the biosynthesis of the vitamin E, tocotrienols. While the enzyme from the bacterium Synechocystis PCC 6803 has higher activity with phytyl diphosphate (EC 2.5.1.115, homogentisate phytyltransferase), the enzymes from barley, rice and wheat have only a low activity with that substrate .
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Oryza sativa
UNIPROT: Q0DAK7
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The taxonomic range for the selected organisms is: Oryza sativa
The expected taxonomic range for this enzyme is: Bacteria, Eukaryota
Synonyms
homogentisate geranylgeranyltransferase, homogentisic acid geranylgeranyl transferase, more
SYSTEMATIC NAME
IUBMB Comments
geranylgeranyl diphosphate:homogentisate geranylgeranyltransferase
Requires Mg2+ for activity. Involved in the biosynthesis of the vitamin E, tocotrienols. While the enzyme from the bacterium Synechocystis PCC 6803 has higher activity with phytyl diphosphate (EC 2.5.1.115, homogentisate phytyltransferase), the enzymes from barley, rice and wheat have only a low activity with that substrate [2].
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
-
genotype G37 (red pericarp) shows higher expression than G7 (light brown) and G33 (red pericarp) at milky and mature grain development stages but lower than both parents. The transcript levels are comparatively low in mature grain
Manually annotated by BRENDA team
EXPRESSION
ORGANISM
UNIPROT
LITERATURE
expression analysis of HGGT in a set of contrasting red pericarp and light brown rice genotypes of advanced breeding lines together with their parents. Genotype G37 (red pericarp) shows higher expression than G7 (light brown) and G33 (red pericarp) at milky and mature grain development stages but lower than both parents. The transcript levels are comparatively low in mature grain
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APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
nutrition
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tocochromanol analysis in a set of contrasting red pericarp and light brown rice genotypes of advanced breeding lines together with their parents. The content of tocochromaols decreases in the order gamma-tocotrienol, alpha-tocopherol, alpha-tocotrienol, gamma-tocopherol, delta-tocotrienol, and total E vitamin content ranges from 10.30 to 31.65 microg/g
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Fasahat, P.; Abdullah, A.; Muhammad, K.; Wickneswari, R.
Expression of a key gene involved in the biosynthetic pathway of vitamin E in red pericarp and white rice grains
Int. Food Res. J.
20
3395-3401
2013
Oryza sativa
-
Manually annotated by BRENDA team