Lineage for Species: Human (Homo sapiens) [TaxId: 9606]
- Root: SCOPe 2.08
Class d: Alpha and beta proteins (a+b) [53931] (396 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 sizesSuperfamily d.96.1: Tetrahydrobiopterin biosynthesis enzymes-like [55620] (5 families) 
bind purine or pterin in topologically similar sites between subunits
Family d.96.1.1: GTP cyclohydrolase I [55621] (2 proteins) Protein GTP cyclohydrolase I [55622] (4 species)
beta-sheets of five subunits form a barrel, closed: n=20, S=20
Species Human (Homo sapiens) [TaxId:9606] [55624] (1 PDB entry)
PDB entry in Species: Human (Homo sapiens) [TaxId: 9606]:
- Domain(s) for 1fb1:
Domain d1fb1a_: 1fb1 A: [40652]
complexed with ipa, zn
Domain d1fb1b_: 1fb1 B: [40653]
complexed with ipa, zn
Domain d1fb1c_: 1fb1 C: [40654]
complexed with ipa, zn
Domain d1fb1d_: 1fb1 D: [40655]
complexed with ipa, zn
Domain d1fb1e_: 1fb1 E: [40656]
complexed with ipa, zn
More info for Species Human (Homo sapiens) [TaxId:9606] from d.96.1.1 GTP cyclohydrolase I
Timeline for Species Human (Homo sapiens) [TaxId:9606] from d.96.1.1 GTP cyclohydrolase I:
- Species Human (Homo sapiens) [TaxId:9606] from d.96.1.1 GTP cyclohydrolase I first appeared (with stable ids) in SCOP 1.55
- Species Human (Homo sapiens) [TaxId:9606] from d.96.1.1 GTP cyclohydrolase I appears in SCOPe 2.07