Site-specific modification of the lactose operator with acetylaminofluorene.

Abstract:

:We have synthesized the tetradecamer GAGCXGATAACAAG containing a part of the sequence of the lactose operator. A guanine base in the sequence is replaced by the adduct of the carcinogen 2-acetylaminofluorene with guanine. Under the standard conditions of de-protection, the fluorene moiety is lost, leaving behind a guanine oxidation product. New conditions of de-protection have been developed which allow the isolation of an oligonucleotide containing the adduct of 2-aminofluorene with guanine. The presence of the aminofluorene adduct greatly increases retention on reverse phase chromatography and produces a unique pattern of sequencing bands.

journal_name

Nucleic Acids Res

journal_title

Nucleic acids research

authors

Stöhrer G,Osband JA,Alvarado-Urbina G

doi

10.1093/nar/11.15.5093

subject

Has Abstract

pub_date

1983-08-11 00:00:00

pages

5093-102

issue

15

eissn

0305-1048

issn

1362-4962

journal_volume

11

pub_type

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