passages.id: split_4_test_982_passage
passages.type: progene_text
passages.text: Role of a polycyclic aromatic hydrocarbon bay region ring in modulating DNA adduct structure : the non - bay region ( 8S,9R,10S , 11R ) - N(6)-[11-(8,9,10,11-tetrahydro-8,9 , 10-trihydroxybenz[a]anthracenyl ) ]-2' - deoxyadenosyl adduct in codon 61 of the human N-ras protooncogene .