Target intelligence / Profile preview

Pyrimidine Synthesis

Molecular classification
Metabolic pathway, Biosynthetic pathway
01

Overview

Pyrimidine synthesis is the biochemical pathway responsible for producing pyrimidine nucleotides, essential components of DNA, RNA, and other critical biomolecules. The de novo pathway builds pyrimidines from simple precursors, while the salvage pathway recycles existing pyrimidines. Key enzymes like carbamoyl phosphate synthetase II (CPS II) and OMP decarboxylase are involved, and the pathway is tightly regulated. Dysregulation can lead to disorders like orotic aciduria or impact cancer cell proliferation.

02

Mechanism of action

Inhibition of pyrimidine biosynthesis enzymes.

03

Biological functions

Nucleotide biosynthesisDNA replicationRNA transcriptionCell proliferationMetabolic regulation
04

Disease associations

CancerOrotic aciduria
05

Safety considerations

Myelosuppression (due to disrupted DNA/RNA synthesis)Gastrointestinal toxicity
06

Interacting drugs

Antimetabolites (e.g., 5-Fluorouracil)

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