Structural Analysis of a Novel Triphosphonoglycosphingolipid from the Egg of the Sea Hare, Aplysia kurodai1

Autor:	Mei Satake, Susumu Ando, Shigeko Araki, Sachiko Abe, Shoji Yamada, Kazuo Kon
Rok vydání:	1995
Předmět:	Steric effects Ceramide General Medicine Biology Biochemistry Palmitic acid chemistry.chemical_compound Glycolipid chemistry Galactose Stearic acid Molecular Biology Aplysia kurodai
Zdroj:	The Journal of Biochemistry. 117:794-799
ISSN:	1756-2651 0021-924X
DOI:	10.1093/oxfordjournals.jbchem.a124778
Popis:	A novel phosphonoglycosphingolipid which contains three residues of 2-aminoethylphosphonate (2-AEP) was isolated from eggs of a sea gastropoid, Aplysia kurodai, and its structure was identified as follows. [see text] The major aliphatic components of ceramide were palmitic acid, stearic acid, 4-sphingenine, and 16-methyl-4-sphingenine. Antibodies which recognize 3-O-methylgalactose linked beta-glycosidically to phosphonoglycosphingolipids failed to react to the egg glycolipid. By comparing 1H-NMR spectra of native and HF-treated glycolipids, steric interactions of two residues of 2-AEP with ring protons of the glucose and the internal galactose were indicated.
Databáze:	OpenAIRE
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