has role has role is conjugate base of is deprotonated form of is enantiomer of is enantiomer of sphingosine trans-D-erythro-2-amino-4-octadecene-1,3-diol D-erythro-sphingosine Sphingenine (2S,3R,E)-2-aminooctadec-4-ene-1,3-diol Sphingoid D-(+)-erythro-1,3-dihydroxy-2-amino-4-trans-octadecene (2S,3R,4E)-2-amino-4-octadecene-1,3-diol C18 sphingosine CHEBI:16393 trans-4-sphingenine (4E)-sphingenine (E)-D-erythro-4-octadecene-1,3-diol (4E)-sphing-4-enine sphingosin CHEBI:15102 Sph CHEBI:9224 2-amino-4-octadecene-1,3-diol A sphing-4-enine in which the double bond is <i>trans</i>. (2S,3R)-(E)-2-amino-1,3-dihydroxy-4-octadecene Sphingosine d18:1 Sphing-4-enine Sphingosine chebi_ontology CHEBI:207585 (2S,3R,4E)-2-amino-3-hydroxyoctadec-4-ene-1-ol (E)-2-amino-4-octadecan-1,3-diol CHEBI:26741 sphing-4-enine L-erythro-sphingosine sphingosine(1+) mouse metabolite human metabolite