| Chain | GOid | namespace | contents |
| 1 | 0000287 | molecular_function | magnesium ion binding |
| 1 | 0003824 | molecular_function | catalytic activity |
| 1 | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| 1 | 0004565 | molecular_function | beta-galactosidase activity |
| 1 | 0005975 | biological_process | carbohydrate metabolic process |
| 1 | 0005990 | biological_process | lactose catabolic process |
| 1 | 0009341 | cellular_component | beta-galactosidase complex |
| 1 | 0016787 | molecular_function | hydrolase activity |
| 1 | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| 1 | 0030246 | molecular_function | carbohydrate binding |
| 1 | 0031420 | molecular_function | alkali metal ion binding |
| 1 | 0042802 | molecular_function | identical protein binding |
| 1 | 0046872 | molecular_function | metal ion binding |
| 2 | 0000287 | molecular_function | magnesium ion binding |
| 2 | 0003824 | molecular_function | catalytic activity |
| 2 | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| 2 | 0004565 | molecular_function | beta-galactosidase activity |
| 2 | 0005975 | biological_process | carbohydrate metabolic process |
| 2 | 0005990 | biological_process | lactose catabolic process |
| 2 | 0009341 | cellular_component | beta-galactosidase complex |
| 2 | 0016787 | molecular_function | hydrolase activity |
| 2 | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| 2 | 0030246 | molecular_function | carbohydrate binding |
| 2 | 0031420 | molecular_function | alkali metal ion binding |
| 2 | 0042802 | molecular_function | identical protein binding |
| 2 | 0046872 | molecular_function | metal ion binding |
| 3 | 0000287 | molecular_function | magnesium ion binding |
| 3 | 0003824 | molecular_function | catalytic activity |
| 3 | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| 3 | 0004565 | molecular_function | beta-galactosidase activity |
| 3 | 0005975 | biological_process | carbohydrate metabolic process |
| 3 | 0005990 | biological_process | lactose catabolic process |
| 3 | 0009341 | cellular_component | beta-galactosidase complex |
| 3 | 0016787 | molecular_function | hydrolase activity |
| 3 | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| 3 | 0030246 | molecular_function | carbohydrate binding |
| 3 | 0031420 | molecular_function | alkali metal ion binding |
| 3 | 0042802 | molecular_function | identical protein binding |
| 3 | 0046872 | molecular_function | metal ion binding |
| 4 | 0000287 | molecular_function | magnesium ion binding |
| 4 | 0003824 | molecular_function | catalytic activity |
| 4 | 0004553 | molecular_function | hydrolase activity, hydrolyzing O-glycosyl compounds |
| 4 | 0004565 | molecular_function | beta-galactosidase activity |
| 4 | 0005975 | biological_process | carbohydrate metabolic process |
| 4 | 0005990 | biological_process | lactose catabolic process |
| 4 | 0009341 | cellular_component | beta-galactosidase complex |
| 4 | 0016787 | molecular_function | hydrolase activity |
| 4 | 0016798 | molecular_function | hydrolase activity, acting on glycosyl bonds |
| 4 | 0030246 | molecular_function | carbohydrate binding |
| 4 | 0031420 | molecular_function | alkali metal ion binding |
| 4 | 0042802 | molecular_function | identical protein binding |
| 4 | 0046872 | molecular_function | metal ion binding |