Target intelligence / Profile preview

DNA (guanine N7 position) (N/A)

Target
N/A
Molecular classification
DNA, Nucleobase
01

Overview

The N7 position of guanine in DNA is a highly nucleophilic site and the most reactive location for alkylation or adduct formation by various chemicals. While adducts at this site serve as biomarkers for exposure, they are generally not directly mutagenic due to their instability. Sequence context influences the reactivity of this site.

Other names
Guanine N7N7-GuanineGua-N7
02

Mechanism of action

Covalent modification (alkylation/adduct formation) at the N7 position of guanine in DNA.

03

Biological functions

DNA modificationAdduct formationBiomarker of exposure
04

Disease associations

Cancer (exposure related)Toxicology
05

Safety considerations

DNA damageDepurinationPotential for conversion to more mutagenic lesions (e.g., FAPy)Non-specific targeting by alkylating agents
06

Interacting drugs

Nitrogen mustards

3 more in the full profile.

07

Biomarkers

N7-guanine adducts

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