Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004565 | molecular_function | beta-galactosidase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
| A | 0006012 | biological_process | galactose 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 SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor |
| Chain | Residue | Details |
| A | GLU141 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: Nucleophile |
| Chain | Residue | Details |
| A | GLU312 | |
| Chain | Residue | Details |
| A | ARG102 | |
| A | ASN140 | |
| A | TRP320 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 5 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | CYS106 | |
| A | CYS150 | |
| A | CYS152 | |
| A | CYS155 | |
| A | GLU360 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1cz1 |
| Chain | Residue | Details |
| A | GLU141 | |
| A | ASN241 | |
