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Target intelligence / Profile preview
DNA Minor Groove (Guanine Residues) (N/A)
- Target
- N/A
- Molecular classification
- DNA structural element, Nucleic acid component
01
Overview
The DNA minor groove, particularly the region surrounding guanine residues, is a crucial structural element influencing DNA shape, flexibility, and interactions with proteins and small molecules. Guanine's exocyclic 2-amino group projects into the minor groove, affecting groove width, hydration patterns, and cation binding. This feature is exploited by some drugs and proteins for sequence-specific recognition and can impact biological processes like transcription and nucleosome positioning.
- Other names
- Guanine N2 amino groupGuanine exocyclic amino group in minor groove
02
Mechanism of action
Minor groove binders interact with specific DNA sequences, modulating gene expression or interfering with DNA replication. Polyamides utilize hydrogen bonding to target GC base pairs.
03
Biological functions
DNA structure maintenanceLigand bindingProtein-DNA interactionSequence-specific recognitionModulation of DNA flexibilityRegulation of transcription factor bindingInfluence on nucleosome positioning
04
Disease associations
Cancer (indirectly, through influence on gene expression)Genetic disorders (indirectly, through altered DNA structure/function)
05
Safety considerations
Off-target binding of minor groove bindersPotential for altering gene expression in unintended waysCytotoxicity of some minor groove binding drugs
06
Interacting drugs
Distamycin
2 more in the full profile.
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