Lineage for Family d.153.2.1: Archaeal IMP cyclohydrolase PurO
- Root: SCOPe 2.08
Class d: Alpha and beta proteins (a+b) [53931] (396 folds) 
Fold d.153: Ntn hydrolase-like [56234] (2 superfamilies)
4 layers: alpha/beta/beta/alpha; has an unusual sheet-to-sheet packing
Superfamily d.153.2: Archaeal IMP cyclohydrolase PurO [75569] (1 family) 
has a putative active site in the same topological location as the Ntn hydrolase but lacks the N-terminal nucleophile
automatically mapped to Pfam PF07826Family d.153.2.1: Archaeal IMP cyclohydrolase PurO [75570] (1 protein)
Pfam PF07826
Protein:
Hypothetical protein MTH1020 [75571] (1 species) Species Methanothermobacter thermautotrophicus [TaxId:145262] [75572] (4 PDB entries)
More info for Family d.153.2.1: Archaeal IMP cyclohydrolase PurO
Timeline for Family d.153.2.1: Archaeal IMP cyclohydrolase PurO:
- Family d.153.2.1: Archaeal IMP cyclohydrolase PurO first appeared in SCOP 1.61, called Family d.153.2.1: Hypothetical protein MTH1020
- Family d.153.2.1: Archaeal IMP cyclohydrolase PurO appears in SCOPe 2.07