Chemical structure of glycosphingolipids isolated fromSphingomonas paucimobilis
- 4 November 1991
- journal article
- Published by Wiley in FEBS Letters
- Vol. 292 (1-2) , 107-110
- https://doi.org/10.1016/0014-5793(91)80845-t
Abstract
Two novel glycosphingolipids were isolated fromSphingomonas paucimobilis and their structures were completely elucidated. The glycosyl portion of the glycosphingolipid consists of an α‐D‐Manp‐[1→2)‐α‐D‐Galp‐(1→6)‐α‐D‐GlcpN‐(1→4)‐α‐D‐GlcpA‐R tetrasaccharide. The hydrophobic residue R was found to be heterogeneous with respect to the dihydrosphingosine residue.Erythro‐1,3‐dihydroxy‐2‐amino‐octadecane anderythro‐1,3‐dihydroxy‐2‐amino‐cis‐13,14‐methyleneoctadecane were identified in comparable amounts. Both dihydrosphingosine derivatives were quantitatively substituted by an (S)‐2‐hydroxymyristic acid in amide linkage.Keywords
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