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Literature summary for 2.7.7.9 extracted from

  • Shimojima, M.
    Biosynthesis and functions of the plant sulfolipid (2011), Prog. Lipid Res., 50, 234-239.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
UGP3 is highly coexpressed with SQD1 and SQD2 Spinacia oleracea
UGP3 is highly coexpressed with SQD1 and SQD2 Arabidopsis thaliana

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast stroma UGP3 is a soluble plastid UDP-glucose pyrophosphorylase converts glucose-1-phosphate to UDP-glucose in the stroma Spinacia oleracea 9570
-
chloroplast stroma UGP3 is a soluble plastid UDP-glucose pyrophosphorylase converts glucose-1-phosphate to UDP-glucose in the stroma Arabidopsis thaliana 9570
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UTP + alpha-D-glucose 1-phosphate Spinacia oleracea
-
diphosphate + UDP-glucose
-
r
UTP + alpha-D-glucose 1-phosphate Arabidopsis thaliana
-
diphosphate + UDP-glucose
-
r

Organism

Organism UniProt Comment Textmining
Arabidopsis thaliana
-
-
-
Spinacia oleracea
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UTP + alpha-D-glucose 1-phosphate
-
Spinacia oleracea diphosphate + UDP-glucose
-
r
UTP + alpha-D-glucose 1-phosphate
-
Arabidopsis thaliana diphosphate + UDP-glucose
-
r

Synonyms

Synonyms Comment Organism
plastid UDP-glucose pyrophosphorylase
-
Spinacia oleracea
plastid UDP-glucose pyrophosphorylase
-
Arabidopsis thaliana
UGP3
-
Spinacia oleracea
UGP3
-
Arabidopsis thaliana

General Information

General Information Comment Organism
malfunction lack of sulfoquinovosyldiacylglycerol in the Arabidopsis ugp3 knockout mutant. The mutant does not show significant differences in glycosides and saccharides between wild type and ugp3 mutants Spinacia oleracea
malfunction lack of sulfoquinovosyldiacylglycerol in the Arabidopsis ugp3 knockout mutant. The mutant does not show significant differences in glycosides and saccharides between wild type and ugp3 mutants Arabidopsis thaliana
metabolism the enzyme is important in sulfoquinovosyldiacylglycerol, SQDG, biosynthesis in chloroplasts together with UDP-sulfoquinovose synthase, SQD1 EC 3.13.1.1, and SQDG synthase, SQD2, mechanism for SQDG biosynthesis, overview. Sulfoquinovosyldiacylglycerol is the only sulfur-containing anionic glycerolipid, a relatively minor relatively minor, and is the least prevalent component of photosynthetic membrane lipids. The function of SQDG under phosphate-limited growth conditions is highly correlated with the regulation of other plant glycerolipid biosyntheses. UGP3 is not involved in the biosynthesis of secondary metabolites and cellulose, but rather is likely to be specifically involved in SQDG synthesis Spinacia oleracea
metabolism the enzyme is important in sulfoquinovosyldiacylglycerol, SQDG, biosynthesis in chloroplasts together with UDP-sulfoquinovose synthase, SQD1 EC 3.13.1.1, and SQDG synthase, SQD2, mechanism for SQDG biosynthesis, overview. Sulfoquinovosyldiacylglycerol is the only sulfur-containing anionic glycerolipid, a relatively minor relatively minor, and is the least prevalent component of photosynthetic membrane lipids. The function of SQDG under phosphate-limited growth conditions is highly correlated with the regulation of other plant glycerolipid biosyntheses. UGP3 is not involved in the biosynthesis of secondary metabolites and cellulose, but rather is likely to be specifically involved in SQDG synthesis Arabidopsis thaliana
physiological function UGP3 is a plastid UDP-glucose pyrophosphorylase that supplies UDP-glucose to UDP-sulfoquinovose synthase, SQD1, in plastids Spinacia oleracea
physiological function UGP3 is a plastid UDP-glucose pyrophosphorylase that supplies UDP-glucose to UDP-sulfoquinovose synthase, SQD1, in plastids Arabidopsis thaliana