| L | 3.60.20.10 | Alpha Beta | 4-Layer Sandwich | Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 | Aminohydrolase, N-terminal nucleophile (Ntn) domain | CATH (4.3.0) |
| L | 2.30.120.10 | Mainly Beta | Roll | Penicillin G acylase, beta-roll domain | Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region | CATH (4.3.0) |
| L | 1.10.1400.10 | Mainly Alpha | Orthogonal Bundle | Penicillin amidase (Acylase) alpha subunit, N-terminal domain | Aminohydrolase, alpha-helical knob region | CATH (4.3.0) |
| I | 3.60.20.10 | Alpha Beta | 4-Layer Sandwich | Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 | Aminohydrolase, N-terminal nucleophile (Ntn) domain | CATH (4.3.0) |
| I | 2.30.120.10 | Mainly Beta | Roll | Penicillin G acylase, beta-roll domain | Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region | CATH (4.3.0) |
| I | 1.10.1400.10 | Mainly Alpha | Orthogonal Bundle | Penicillin amidase (Acylase) alpha subunit, N-terminal domain | Aminohydrolase, alpha-helical knob region | CATH (4.3.0) |
| F | 3.60.20.10 | Alpha Beta | 4-Layer Sandwich | Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 | Aminohydrolase, N-terminal nucleophile (Ntn) domain | CATH (4.3.0) |
| F | 2.30.120.10 | Mainly Beta | Roll | Penicillin G acylase, beta-roll domain | Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region | CATH (4.3.0) |
| F | 1.10.1400.10 | Mainly Alpha | Orthogonal Bundle | Penicillin amidase (Acylase) alpha subunit, N-terminal domain | Aminohydrolase, alpha-helical knob region | CATH (4.3.0) |
| C | 3.60.20.10 | Alpha Beta | 4-Layer Sandwich | Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1 | Aminohydrolase, N-terminal nucleophile (Ntn) domain | CATH (4.3.0) |
| C | 2.30.120.10 | Mainly Beta | Roll | Penicillin G acylase, beta-roll domain | Aminohydrolase, N-terminal nucleophile (Ntn) domain, beta-sheet knob region | CATH (4.3.0) |
| C | 1.10.1400.10 | Mainly Alpha | Orthogonal Bundle | Penicillin amidase (Acylase) alpha subunit, N-terminal domain | Aminohydrolase, alpha-helical knob region | CATH (4.3.0) |
| J | 1.10.439.10 | Mainly Alpha | Orthogonal Bundle | Penicillin Amidohydrolase | domain 1 | CATH (4.3.0) |
| G | 1.10.439.10 | Mainly Alpha | Orthogonal Bundle | Penicillin Amidohydrolase | domain 1 | CATH (4.3.0) |
| D | 1.10.439.10 | Mainly Alpha | Orthogonal Bundle | Penicillin Amidohydrolase | domain 1 | CATH (4.3.0) |
| A | 1.10.439.10 | Mainly Alpha | Orthogonal Bundle | Penicillin Amidohydrolase | domain 1 | CATH (4.3.0) |