JavaScript is disabled in your browser. Please enable JavaScript to view this website.

PAICS

Function

Bifunctional phosphoribosylaminoimidazole carboxylase and phosphoribosylaminoimidazole succinocarboxamide synthetase catalyzing two reactions of the de novo purine biosynthetic pathway.

Involvement in disease

Phosphoribosylaminoimidazole carboxylase deficiency

PAICSD

An autosomal recessive inborn error of purine metabolism, clinically characterized by multiple congenital anomalies and early neonatal death.

None

The disease is caused by variants affecting the gene represented in this entry.

Pathway

Purine metabolism; IMP biosynthesis via de novo pathway; 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate: step 1/2.

Purine metabolism; IMP biosynthesis via de novo pathway; 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (carboxylase route): step 1/1.

Sequence Similarities

In the N-terminal section; belongs to the SAICAR synthetase family.

In the C-terminal section; belongs to the AIR carboxylase family. Class II subfamily.

Alternative names

ADE2, AIRC, PAIS, PAICS, Bifunctional phosphoribosylaminoimidazole carboxylase/phosphoribosylaminoimidazole succinocarboxamide synthetase

swissprot:P22234 entrezGene:10606 omim:172439