Class d: Alpha and beta proteins (a+b) [53931] (334 folds) |
Fold d.96: T-fold [55619] (2 superfamilies) beta(2)-alpha(2)-beta(2); 2 layers: alpha/beta; antiparallel sheet 1234 tunnel-shaped: its known members form wide oligomeric barrels different sizes |
Superfamily d.96.1: Tetrahydrobiopterin biosynthesis enzymes-like [55620] (4 families) bind purine or pterin in topologically similar sites between subunits |
d.96.1.1: GTP cyclohydrolase I [55621] (1 protein) |
d.96.1.2: 6-pyruvoyl tetrahydropterin synthase [55625] (1 protein) |
d.96.1.3: DHN aldolase/epimerase [55628] (2 proteins) beta-sheets of four subunits form a barrel, closed: n=16, S=16 |
d.96.1.4: Urate oxidase (uricase) [55633] (1 protein) |
Timeline for Superfamily d.96.1: Tetrahydrobiopterin biosynthesis enzymes-like: