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 PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL A 801 |
| Chain | Residue |
| A | TYR6 |
| A | TYR7 |
| A | TRP11 |
| A | ARG351 |
| A | ARG353 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ACT A 804 |
| Chain | Residue |
| A | GLY535 |
| A | HOH875 |
| A | HOH927 |
| A | HOH1424 |
| site_id | AC3 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE ACT A 805 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A 806 |
| Chain | Residue |
| A | CYS106 |
| A | CYS150 |
| A | CYS152 |
| A | CYS155 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE MPD A 802 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE MPD A 803 |
| Chain | Residue |
| A | ALA433 |
| A | ARG436 |
| A | PRO573 |
| A | GLY577 |
| A | HOH865 |
| A | HOH902 |
| A | HOH984 |
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 | |
