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DNA Synthesis Enzyme Machinery (Replisome)
- Target
- Replisome
- Molecular classification
- Enzyme Complex, DNA Polymerase, Helicase, Primase, Topoisomerase, Ligase, Sliding Clamp, Clamp Loader, Single-Stranded Binding Protein
01
Overview
The DNA synthesis enzyme machinery, or replisome, is a complex of proteins and enzymes responsible for accurately replicating DNA during cell division. Key components include DNA polymerases (Pol α, Pol δ, Pol ε), primase, helicase (CMG complex), single-stranded binding proteins (SSB), clamp loader complex (RFC), sliding clamp (PCNA), topoisomerase, and DNA ligase. The replisome ensures faithful duplication of genetic material, and its activity is tightly regulated during the cell cycle. It is a therapeutic target in cancer and viral infections.
- Other names
- Replication factoryReplication machineryReplication system
02
Mechanism of action
Inhibition of DNA synthesis by targeting polymerase activity, disrupting DNA unwinding, or interfering with other replisome components.
03
Biological functions
DNA replicationGenome maintenanceCell cycleDNA repair
04
Disease associations
CancerGenetic disordersAging
05
Safety considerations
Potential for off-target effects on normal cell replicationDrug resistance developmentGenotoxicity
06
Interacting drugs
Nucleoside analogs (e.g., acyclovir, zidovudine)
2 more in the full profile.
07
Biomarkers
Expression levels of replisome componentsDNA replication rateMarkers of DNA damage
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