|  | Class d: Alpha and beta proteins (a+b) [53931] (334 folds) | 
|  | Fold d.142: ATP-grasp [56058] (2 superfamilies) Consists of two subdomains with different alpha+beta folds shares functional and structural similarities with the PIPK and protein kinase superfamilies | 
|  | Superfamily d.142.1: Glutathione synthetase ATP-binding domain-like [56059] (8 families)  | 
|  | Family d.142.1.2: BC ATP-binding domain-like [56067] (6 proteins) | 
|  | Protein Biotin carboxylase (BC), domain 2 [56068] (2 species) subunit of acetyl-CoA and pyruvate carboxylases | 
|  | Aquifex aeolicus [TaxId:63363] [103284] (1 PDB entry) | 
|  | Domain d1ulza3: 1ulz A:115-328 [99577] Other proteins in same PDB: d1ulza1, d1ulza2 mutant | 
|  | Escherichia coli [TaxId:562] [56069] (5 PDB entries) | 
|  | Domain d1bnca3: 1bnc A:115-330 [41488] Other proteins in same PDB: d1bnca1, d1bnca2, d1bncb1, d1bncb2 | 
|  | Domain d1bncb3: 1bnc B:115-330 [41489] Other proteins in same PDB: d1bnca1, d1bnca2, d1bncb1, d1bncb2 complexed with po4 | 
|  | Domain d1dv1a3: 1dv1 A:115-330 [41486] Other proteins in same PDB: d1dv1a1, d1dv1a2, d1dv1b1, d1dv1b2 | 
|  | Domain d1dv1b3: 1dv1 B:115-330 [41487] Other proteins in same PDB: d1dv1a1, d1dv1a2, d1dv1b1, d1dv1b2 complexed with po4 | 
|  | Domain d1dv2a3: 1dv2 A:115-330 [41490] Other proteins in same PDB: d1dv2a1, d1dv2a2, d1dv2b1, d1dv2b2 | 
|  | Domain d1dv2b3: 1dv2 B:115-330 [41491] Other proteins in same PDB: d1dv2a1, d1dv2a2, d1dv2b1, d1dv2b2 complexed with atp; mutant | 
|  | Domain d2gpwa3: 2gpw A:115-330 [135499] Other proteins in same PDB: d2gpwa1, d2gpwa2, d2gpwb1, d2gpwb2, d2gpwc1, d2gpwc2, d2gpwd1, d2gpwd2 automatically matched to d1bnca3 mutant | 
|  | Domain d2gpwb3: 2gpw B:115-330 [135502] Other proteins in same PDB: d2gpwa1, d2gpwa2, d2gpwb1, d2gpwb2, d2gpwc1, d2gpwc2, d2gpwd1, d2gpwd2 automatically matched to d1bnca3 mutant | 
|  | Domain d2gpwc3: 2gpw C:115-330 [135505] Other proteins in same PDB: d2gpwa1, d2gpwa2, d2gpwb1, d2gpwb2, d2gpwc1, d2gpwc2, d2gpwd1, d2gpwd2 automatically matched to d1bnca3 mutant | 
|  | Domain d2gpwd3: 2gpw D:115-330 [135508] Other proteins in same PDB: d2gpwa1, d2gpwa2, d2gpwb1, d2gpwb2, d2gpwc1, d2gpwc2, d2gpwd1, d2gpwd2 automatically matched to d1bnca3 mutant | 
Timeline for Protein Biotin carboxylase (BC), domain 2 from d.142.1.2: BC ATP-binding domain-like: