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. 2022 Aug 8;14:981868. doi: 10.3389/fnagi.2022.981868

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Copyright © 2022 Wood and Woltjer.

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Structure of PSe 36:1 (e18:0/18:1). The glycerol backbone possesses phosphoserine as the polar headgroup at sn-3, oleic acid via an acyl bond at sn-2, and stearyl alcohol via an alkyl bond (i.e., ether) at sn-1. In the case of a plasmalogen the bond at sn-1 would be an alkenyl bond (i.e., a double bond between the first 2 carbons after the -O-CH₂.