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  • Title: Novel phosphorus-containing glycosphingolipids from the blowfly Calliphora vicina Meigen. Structural analysis by 1H and 1H[31P]-edited NMR spectroscopy at 600 and 500 megahertz.
    Author: Dabrowski U, Dabrowski J, Helling F, Wiegandt H.
    Journal: J Biol Chem; 1990 Jun 15; 265(17):9737-43. PubMed ID: 2351669.
    Abstract:
    Two novel phosphorus-containing neutral glycosphingolipids of the arthro series were isolated from the blowfly Calliphora vicina Meigen: GalNAc alpha 1----4GalNAc beta 1----(X---- 6)4GlcNAc beta 1----3Man beta 1----4Glc beta 1----1-ceramide and GalNAc beta 1----(X----6)4GlcNAc beta 1----3Man beta 1----4Glc beta 1----1- ceramide (X = -O-P(O)(O-)-OC-H2CH2NH3+). The primary structure of the ceramide pentasaccharide was elucidated de novo using two-dimensional 1H NMR correlation spectroscopy at 500 MHz and multistep relayed coherence transfer spectroscopy at 600 MHz. Localization of the 2'-aminoethyl phosphate substituent was established with the aid of 1H-detected, 31P-edited NMR spectroscopy at 500/202 MHz.
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