Methylene-fatty-acyl-phospholipid synthase

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methylene-fatty-acyl-phospholipid synthase
Identifiers
EC no. 2.1.1.16
CAS no. 37256-90-9
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In enzymology, a methylene-fatty-acyl-phospholipid synthase (EC 2.1.1.16) is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-methionine + phospholipid olefinic fatty acid S-adenosyl-L-homocysteine + phospholipid methylene fatty acid

Thus, the two substrates of this enzyme are S-adenosyl methionine and phospholipid olefinic fatty acid, whereas its two products are S-adenosylhomocysteine and phospholipid methylene fatty acid.

This enzyme belongs to the family of transferases, specifically those transferring one-carbon group methyltransferases. The systematic name of this enzyme class is S-adenosyl-L-methionine:unsaturated-phospholipid methyltransferase (methenylating). This enzyme is also called unsaturated-phospholipid methyltransferase.

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<span class="mw-page-title-main">Sciadonic acid</span> Chemical compound

Sciadonic acid, also known as eicosatrienoic acid, is a polyunsaturated fatty acid. In regard to its structure, 5Z,11Z,14Z-eicosa-5,11,14-trienoic acid has 3 double bonds in the 5, 11, and 14 positions all of which are in the cis- conformation. It is further classified as Δ5-fatty, and an omega-6 acid due to the methylene interrupted double bond at carbon-5 and a final double bond 6 carbons away from the methylene tail of the hydrocarbon. Sciadonic acid is a naturally occurring compound and has been found to play a role as a plant metabolite, commonly found in pine nut oil. Furthermore, there have been propositions of several health applications for sciadonic acid as an anti-inflammatory agent. Sharing close structural similarity to arachidonic acid, sciadonic acid acts as a replacement phospholipid in the corresponding biochemical pathways.

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