has role has role N-glycosyl compound carbamate ester guanidines lactam metabolite streptothricin CHEBI:26789 An <em>N</em>-glycosyl compound consisting of 2-amino-4-<em>O</em>-carbamoyl-2-deoxy-<em>N</em>-[(3a<i>S</i>,7<i>R</i>,7a<i>S</i>)-7-hydroxy-4-oxooctahydro-2<em>H</em>-imidazo[4,5-<em>c</em>]pyridin-2-ylidene]-β-<small>D</small>-gulopyranosylamine in which the amino group at position 2 of the gulopyranosyl moiety is acylated by a peptide unit made up of between 1 and 7 <em>N</em><small>^ε</small>-linked units of β-lysine. streptothricins racemomycins yazumycins chebi_ontology