Imidazole ring closure
AIR synthetase closes the first purine ring.
Purine nucleotide synthesis · irreversibleThe first purine intermediate containing a closed imidazole ring.
5-Aminoimidazole ribonucleotide is a small molecule that cells make, use, or change in connected metabolic reactions.
Start here for the main idea. Choose Learn for reactions and connections.
Carbon backbone 8 CThis carbon count is shown where it is defined for the molecule.
AIR synthetase closes the first purine ring.
Purine nucleotide synthesis · irreversibleAIR carboxylase adds carbon dioxide to form CAIR.
Purine nucleotide synthesis · irreversible