NCIt definition : Trifunctional purine biosynthetic protein adenosine-3 (1010 aa, 108 kDa) is encoded
by the human GART gene. This protein is involved in the de novo biosynthesis of purine
nucleotides.;
NCIt note : Alternative splicing generates a second isoform that is C-terminally truncated has
only glycinamide ribonucleotide synthetase (GARS) activity. (OMIM and UniProt);