Alkenylglycerophosphocholine hydrolase

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alkenylglycerophosphocholine hydrolase
Identifiers
EC no. 3.3.2.2
CAS no. 37288-65-6
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In enzymology, an alkenylglycerophosphocholine hydrolase (EC 3.3.2.2) is an enzyme that catalyzes the chemical reaction

1-(1-alkenyl)-sn-glycero-3-phosphocholine + H2O an aldehyde + sn-glycero-3-phosphocholine

Thus, the two substrates of this enzyme are 1-(1-alkenyl)-sn-glycero-3-phosphocholine and H2O, whereas its two products are aldehyde and sn-glycero-3-phosphocholine.

This enzyme belongs to the family of hydrolases, specifically those acting on ether bonds (ether hydrolases). The systematic name of this enzyme class is 1-(1-alkenyl)-sn-glycero-3-phosphocholine aldehydohydrolase. This enzyme is also called lysoplasmalogenase. This enzyme participates in ether lipid metabolism.

Related Research Articles

<span class="mw-page-title-main">Glycerophospholipid</span> Class of lipids

Glycerophospholipids or phosphoglycerides are glycerol-based phospholipids. They are the main component of biological membranes. Two major classes are known: those for bacteria and eukaryotes and a separate family for archaea.

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Glycerophospholipids of biochemical relevance are divided into three subclasses based on the substitution present at the sn-1 position of the glycerol backbone: acyl, alkyl and alkenyl. Of these, the alkyl and alkenyl moiety in each case form an ether bond, which makes for two types of ether phospholipids, plasmanyl, and plasmenyl. Plasmalogens are plasmenyls with an ester linked lipid at the sn-2 position of the glycerol backbone, chemically designated 1-0(1Z-alkenyl)-2-acyl-glycerophospholipids. The lipid attached to the vinyl ether at sn-1 can be C16:0, C18:0, or C18:1, and the lipid attached to the acyl group at sn-2 can be C22:6 ω-3 or C20:4 ω-6, . Plasmalogens are classified according to their head group, mainly as PC plasmalogens (plasmenylcholines) and PE plasmalogens (plasmenylethalomines) Plasmalogens should not be confused with plasmanyls.

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References


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