Term Name:	archaeosine
Synonyms:	2-amino-4-oxo-7-(beta-D-ribofuranosyl)-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidine-5-carboximidamide, 7-formamidino-7-deazaguanosine, G*
Definition:	A 7-deazaguanine ribonucleoside having 7-formamidino-7-deazaguanine as the nucleobase. It is found in the majority of archaeal tRNAs specifically at position 15 of the dihydrouridine loop (D-loop), a position not modified in either eukaryotic or bacterial tRNA.
Ontology:	ChEBI [CHEBI:73271]  ( EBI )