Crystal structure of beta-galactosidase from Bacillus circulans sp. alkalophilus in complex with galactose
External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| A | V-set | e3ttyA1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| A | Vinculin | e3ttyA4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |
| B | V-set | e3ttyB1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| B | Vinculin | e3ttyB4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |
| D | V-set | e3ttyD1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| D | Vinculin | e3ttyD4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |
| E | V-set | e3ttyE1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| E | Vinculin | e3ttyE4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |
| F | V-set | e3ttyF1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| F | Vinculin | e3ttyF4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |
| C | V-set | e3ttyC1 | A: alpha bundles | X: beta-Grasp | H: HTH | T: winged helix domain | F: V-set | ECOD (develop294) |
| C | Vinculin | e3ttyC4 | A: alpha bundles | X: DEATH domain | H: Ten stranded beta/alpha barrel | T: Ten stranded beta/alpha barrel | F: Vinculin | ECOD (develop294) |