obsolete guanine, xanthine and their nucleoside salvage (obsolete GO:0010141)
guanine, xanthine and their nucleoside salvage
exact
OBSOLETE. The pathway by which guanine, xanthine and their nucleoside from purine nucleotides breakdown are converted back to purine nucleotides. The pathway is important in cells where there is no de-novo purine nucleotides biosynthesis.