Lineage for Family b.34.4.4: Nitrile hydratase beta chain
- Root: SCOP 1.65
Class b: All beta proteins [48724] (126 folds) 
Fold b.34: SH3-like barrel [50036] (13 superfamilies)
barrel, partly opened; n*=4, S*=8; meander
the last strand is interrupted by a turn of 3-10 helix
Superfamily b.34.4: Electron transport accessory proteins [50090] (4 families) 
Family b.34.4.4: Nitrile hydratase beta chain [50101] (2 proteins)
contains irregular array of helices in the N-terminal extension
Proteins:
Cobalt-containing nitrile hydratase [82067] (1 species) Species Pseudonocardia thermophila [TaxId:1848] [82068] (1 PDB entry)
Iron-containing nitrile hydratase [50102] (1 species) Species Rhodococcus erythropolis [50103] (2 PDB entries)
also Rhodococcus sp. R312
More info for Family b.34.4.4: Nitrile hydratase beta chain
Timeline for Family b.34.4.4: Nitrile hydratase beta chain:
- Family b.34.4.4: Nitrile hydratase beta chain first appeared (with stable ids) in SCOP 1.55
- Family b.34.4.4: Nitrile hydratase beta chain appears in SCOP 1.63
- Family b.34.4.4: Nitrile hydratase beta chain appears in SCOP 1.67
- Family b.34.4.4: Nitrile hydratase beta chain appears in the current release, SCOPe 2.08