1.14.19.4: acyl-lipid (11-3)-desaturase

This is an abbreviated version!
For detailed information about acyl-lipid (11-3)-desaturase, go to the full flat file.

Reaction

Synonyms

AtSLD1, AtSLD2, Boofd8, Ca-SLDp, D8A, DELTA6-desaturase, DELTA8 acyl-CoA-dependent desaturase, DELTA8 desaturase, DELTA8 sphingobase desaturase, Delta8 sphingolipid desaturase, DELTA8-desaturase, DELTA8-fatty-acid desaturase, DELTA8-sphingolipid desaturase, FADS2, SLD, SlSLD, sphingolipid delta8 desaturase, sphingolipid DELTA8 LCB desaturase, sphingolipid DELTA8 long-chain base desaturase, sphingolipid DELTA8-desaturase, TpdesB

ECTree

     1 Oxidoreductases

         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen

             1.14.19 With oxidation of a pair of donors resulting in the reduction of O₂ to two molecules of water

                1.14.19.4 acyl-lipid (11-3)-desaturase

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Results	in table
2	Activating Compound
32	AA Sequence
19	Cloned(Commentary)
2	Cofactor
5	Expression
5	General Information
3	Localization
5	Natural Substrates/ Products (Substrates)
24	Organism
2	Pathway
20	Protein Variants
2	Reaction
6	Reaction Type
22	Reference
19	Source Tissue
23	Substrates and Products (Substrate)
47	Synonyms
1	Systematic Name
1	Temperature Optimum [°C]

General Information

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General Information on EC 1.14.19.4 - acyl-lipid (11-3)-desaturase

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GENERAL INFORMATION

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

malfunction

Solanum lycopersicum

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in enzyme knockout plants, changes in leaf cell structure under a chilling treatment are observed by transmission electron microscopy. The degree of chilling damage is greater in SlSLD-silenced plants than in control plants, indicating that SlSLD knockdown significantly reduces the chilling resistance of tomato. Compared with control plants, SlSLD-silenced plants show higher relative electrolytic leakage and malondialdehyde content, and lower superoxide dismutase and peroxidase activities after a chilling treatment. Chilling severely damages the chloroplasts in SlSLD-silenced plants, resulting in the disruption of chloroplast membranes, swelling of thylakoids, and reduced granal stacking

746465

metabolism

Solanum lycopersicum

-

SlSLD1 and 2 are important chilling stress-responsive genes involved in sphingolipid metabolism

746465

physiological function

3 entries

physiological function

Arabidopsis thaliana

Q3EBF7, Q9ZRP7

isozymes AtSLD1 and AtSLD2 desaturate the DELTA8 position of the long-chain bases (LCBs) of sphingolipids in the endoplasmic reticulum membrane, and include a cytochrome b5-like domain at the N-terminus. 90% of Arabidopsis thaliana long-chain bases contain a cis or trans double bond at the DELTA8 position, and their desaturation is catalyzed by AtSLD1 and AtSLD2

746153

physiological function

Solanum lycopersicum

-

the sphingolipid biosynthetic enzyme sphingolipid delta8 desaturase is important for chilling resistance of tomato. The enzyme encoding gene SlSLD belongs to the chilling stress-responsive genes related to sphingolipid metabolism

746465

physiological function

Arabidopsis thaliana Col-0

-

isozymes AtSLD1 and AtSLD2 desaturate the DELTA8 position of the long-chain bases (LCBs) of sphingolipids in the endoplasmic reticulum membrane, and include a cytochrome b5-like domain at the N-terminus. 90% of Arabidopsis thaliana long-chain bases contain a cis or trans double bond at the DELTA8 position, and their desaturation is catalyzed by AtSLD1 and AtSLD2

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