Fold: Phosphorylase/hydrolase-like [53162]
core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops
Superfamily: Purine and uridine phosphorylases [53167]
complex architecture; contains mixed beta-sheet of 8 strands, order 23415867, strands 3, 6 & 7 are antiparallel to the rest; and barrel, closed; n=5, S=8 uperfamily