Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004565 | molecular_function | beta-galactosidase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
| A | 0009341 | cellular_component | beta-galactosidase complex |
| A | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| A | 0046872 | molecular_function | metal ion binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue ZN A 801 |
| Chain | Residue |
| A | CYS107 |
| A | CYS151 |
| A | CYS153 |
| A | CYS156 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | binding site for residue MG A 802 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor => ECO:0000250 |
| Chain | Residue | Details |
| A | GLU142 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: Nucleophile => ECO:0000250 |
| Chain | Residue | Details |
| A | GLU312 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 8 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| A | CYS153 | |
| A | CYS156 | |
| A | TRP320 | |
| A | GLU360 | |
| A | ARG103 | |
| A | CYS107 | |
| A | ASN141 | |
| A | CYS151 | |
