Target intelligence / Profile preview

DNA Phosphate Backbone

Molecular classification
Nucleic Acid, Structural Component
01

Overview

The DNA phosphate backbone is an alternating chain of deoxyribose sugars and phosphates linked by strong covalent phosphodiester bonds. It provides essential structural support for bacterial chromosomes while also conferring directionality necessary for accurate genetic information processing. Its chemical stability underpins faithful inheritance across generations. In bacteria—as elsewhere—the unique geometry created by this backbone enables precise interactions with proteins responsible for genome maintenance and expression.

02

Mechanism of action

Indirectly targeted by drugs that inhibit enzymes interacting with the backbone (e.g., topoisomerases, polymerases)

03

Biological functions

Structural integrityGenetic information storageGenetic information transmissionDirectionality for replication and transcription
04

Disease associations

Infection (indirectly, through bacterial DNA)
05

Interacting drugs

Topoisomerase inhibitors (e.g., quinolones)

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