Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Diacylglycerol O-acyltransferase 3; Involved in triacylglycerol (TAG) biosynthesis. Catalyzes the acylation of the sn-3 hydroxy group of sn-1,2-diacylglycerol using acyl-CoA. May preferentially use linolenoyl-CoA as substrate and to a lesser extent linoleoyl-CoA. May contribute to the active recycling of linoleate and linolenate into TAG when seed oil breakdown is blocked.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Delta(12)-fatty-acid desaturase; ER (microsomal) omega-6 fatty acid desaturase introduces the second double bond in the biosynthesis of 18:3 fatty acids, important constituents of plant membranes. Delta(12)-desaturase with regioselectivity determined by the double bond (delta(9) position) and carboxyl group of the substrate. Can use both 16:1 and 18:1 fatty acids as substrates. It is thought to use cytochrome b5 as an electron donor and to act on fatty acids esterified to phosphatidylcholine (PC) and, possibly, other phospholipids. Very low constitutive hydroxylation activity. Required [...]

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Acyl-lipid omega-3 desaturase (cytochrome b5), endoplasmic reticulum; Microsomal (ER) omega-3 fatty acid desaturase introduces the third double bond in the biosynthesis of 18:3 fatty acids, important constituents of plant membranes. It is thought to use cytochrome b5 as an electron donor and to act on fatty acids esterified to phosphatidylcholine and, possibly, other phospholipids.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Oleoyl-acyl carrier protein thioesterase 2, chloroplastic; Plays an essential role in chain termination during de novo fatty acid synthesis. Possesses high thioesterase activity for oleoyl- ACP versus other acyl-ACPs.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Phospholipid:diacylglycerol acyltransferase 1; Triacylglycerol formation by an acyl-CoA independent pathway. The enzyme preferentially transfers acyl groups from the sn-2 position of a phospholipid to diacylglycerol, thus forming an sn-1- lysophospholipid. Involved in epoxy and hydroxy fatty acid accumulation in seeds. Has complementary functions with DAG1 that are essential for triacylglycerol synthesis and normal development of both seeds and pollen.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Putative phospholipid:diacylglycerol acyltransferase 2; Belongs to the AB hydrolase superfamily. Lipase family.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

O-acyltransferase WSD1; Bifunctional wax ester synthase/diacylglycerol acyltransferase. Involved in cuticular wax biosynthesis. In the N-terminal section; belongs to the long-chain O- acyltransferase family.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Palmitoyl-monogalactosyldiacylglycerol delta-7 desaturase, chloroplastic; Fatty acid desaturase involved in the first desaturation step leading to the formation of hexadeca 7,10,13-trienoic acid (16:3(7Z,10Z,13Z)), the major functional components of thylakoid membranes. Required for chloroplast biogenesis at low temperature. Also indirectly involved in the production of the oxylipin dinor-oxo-phyto- dienoic acid implicated in wound signaling.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Diacylglycerol O-acyltransferase 3; Involved in triacylglycerol (TAG) biosynthesis. Catalyzes the acylation of the sn-3 hydroxy group of sn-1,2-diacylglycerol using acyl-CoA. May preferentially use linolenoyl-CoA as substrate and to a lesser extent linoleoyl-CoA. May contribute to the active recycling of linoleate and linolenate into TAG when seed oil breakdown is blocked.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Delta(12)-fatty-acid desaturase; ER (microsomal) omega-6 fatty acid desaturase introduces the second double bond in the biosynthesis of 18:3 fatty acids, important constituents of plant membranes. Delta(12)-desaturase with regioselectivity determined by the double bond (delta(9) position) and carboxyl group of the substrate. Can use both 16:1 and 18:1 fatty acids as substrates. It is thought to use cytochrome b5 as an electron donor and to act on fatty acids esterified to phosphatidylcholine (PC) and, possibly, other phospholipids. Very low constitutive hydroxylation activity. Required [...]

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Acyl-lipid omega-3 desaturase (cytochrome b5), endoplasmic reticulum; Microsomal (ER) omega-3 fatty acid desaturase introduces the third double bond in the biosynthesis of 18:3 fatty acids, important constituents of plant membranes. It is thought to use cytochrome b5 as an electron donor and to act on fatty acids esterified to phosphatidylcholine and, possibly, other phospholipids.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Oleoyl-acyl carrier protein thioesterase 2, chloroplastic; Plays an essential role in chain termination during de novo fatty acid synthesis. Possesses high thioesterase activity for oleoyl- ACP versus other acyl-ACPs.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Glycerophosphocholine acyltransferase 1; Glycerophosphocholine acyltransferase (GPCAT) that utilizes acyl-CoA to acylate glycero-3-phosphocholine (GPC), forming lysophosphatidylcholine (LPC). Shows broad acyl specificities with a preference for 16:0-CoA, polyunsaturated acyl-CoA, and the hydroxylated ricinoleoyl-CoA. Catalyzes also the acylation of glycero-3-phosphoethanolamine (GPE) with acyl-CoA. In addition to acyl-CoA, GPCAT efficiently utilizes LPC and lysophosphatidylethanolamine (LPE) as acyl donors in the acylation of GPC. Contributes to the maintenance of phosphatidylcholine ( [...]

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Triacylglycerol lipase 1; Triacylglycerol (TAG) lipase active on triolein, trioctanoin, tributyrin and 1,3-Diolein, but not on phospho- and galactolipids. May be involved but dispensable for TAG storage breakdown during seed germination.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Lysophospholipid acyltransferase 1; Lysophospholipid acyltransferase with broad specificity. Mediates the conversion of lysophosphatidylethanolamine (1-acyl-sn- glycero-3-phosphoethanolamine or LPE) into phosphatidylethanolamine (1,2-diacyl-sn-glycero-3-phosphoethanolamine or PE) (LPEAT activity). Catalyzes the acylation of lysophosphatidylserine (1-acyl-2-hydroxy-sn- glycero-3-phospho-L-serine or LPS) into phosphatidylserine (1,2-diacyl- sn-glycero-3-phospho-L-serine or PS) (LPSAT activity). Can convert lysophosphatidylcholine (1-acyl-sn-glycero-3-phosphocholine or LPC) into phosphati [...]

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Lysophospholipid acyltransferase 2; Lysophospholipid acyltransferase with broad specificity. Mediates the conversion of lysophosphatidylethanolamine (1-acyl-sn- glycero-3-phosphoethanolamine or LPE) into phosphatidylethanolamine (1,2-diacyl-sn-glycero-3-phosphoethanolamine or PE) (LPEAT activity). Catalyzes the acylation of lysophosphatidylserine (1-acyl-2-hydroxy-sn- glycero-3-phospho-L-serine or LPS) into phosphatidylserine (1,2-diacyl- sn-glycero-3-phospho-L-serine or PS) (LPSAT activity). Can convert lysophosphatidylcholine (1-acyl-sn-glycero-3-phosphocholine or LPC) into phosphati [...]

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Non-specific phospholipase C1.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Non-specific phospholipase C2.

Glycerol-3-phosphate acyltransferase, chloroplastic; Esterifies acyl-group from acyl-ACP to the sn-1 position of glycerol-3-phosphate. The enzyme from chilling-resistant plants discriminates against non-fluid palmitic acid and selects oleic acid whereas the enzyme from sensitive plants accepts both fatty acids. This is an oleate-selective acyltransferase.

Non-specific phospholipase C4; Non-specific phospholipase C (PLC) which assumes major PLC activity during inorganic phosphate starvation. Substrate preference is phosphatidylcholine (PC), but can also hydrolyze phosphatidylethanolamine (PE) with lower efficiency. Has no activity toward phosphatidic acid (PA). Plays an important role in the supply of both inorganic phosphate and diacylglycerol from membrane-localized phospholipids during phosphate deprivation. May be required for lipid- derived signaling molecules that positively modulate abscisic acid (ABA) response and promote plant t [...]