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Continued from early stages, 5-phosphoribosylamine to 5-amino-1-(5-phosphoribosyl)imidazole.
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purine biosynthesis (early stages).
AMP and GMP biosynthesis.
EC 2.1.2.3 phosphoribosylaminoimidazolecarboxamide formyltransferase
EC 3.5.4.10 IMP cyclohydrolase
EC 4.1.1.21 phosphoribosylaminoimidazole carboxylase
EC 4.3.2.2 adenylosuccinate lyase
EC 5.4.99.18 5-(carboxyamino)imidazole ribonucleotide mutase
EC 6.3.2.6 phosphoribosylaminoimidazolesuccinocarboxamide synthase
EC 6.3.4.18 5-(carboxyamino)imidazole ribonucleotide synthase