PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21592713-6 2011 DP-1 arose from decarboxylation of VAL, while DP-2 results from further loss of nitrogen from the tetrazole motif of DP-1, with concomitant cyclization to yield a tetracyclic diazacyclopropene derivative. 1H-tetrazole 98-107 transcription factor Dp-2 Homo sapiens 46-50