5-Formamidoimidazole-4-carboxamide Ribotide

5-Formamidoimidazole-4-carboxamide ribotide (or FAICAR) is an intermediate in the formation of purines. It is formed by the enzyme AICAR transformylase from AICAR and 10-formyltetrahydrofolate.

Nucleotide metabolic intermediates
Purine metabolism
Anabolism

R5P→IMP: R5P · PRPP · PRA · GAR · FGAR · FGAM · AIR · CAIR · SAICAR · AICAR · FAICAR

IMP→AMP: Adenylosuccinate

IMP→GMP: Xanthosine monophosphate
Catabolism Hypoxanthine · Xanthine · Uric acid · 5-Hydroxyisourate
Pyrimidine metabolism
Anabolism Carbamoyl phosphate · Carbamoyl aspartic acid · 4,5-Dihydroorotic acid · Orotic acid · Orotidine 5'-monophosphate · Uridine monophosphate
Catabolism uracil: Dihydrouracil · 3-Ureidopropionic acid · β-Alanine
thymine: Dihydrothymine · β-Ureidoisobutyric acid · 3-Aminoisobutyric acid

M: MET

mt, k, c/g/r/p/y/i, f/h/s/l/o/e, a/u, n, m

k, cgrp/y/i, f/h/s/l/o/e, au, n, m, epon

m (A16/C10), i (k, c/g/r/p/y/i, f/h/s/o/e, a/u, n, m)
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