3OBA
Structure of the beta-galactosidase from Kluyveromyces lactis
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, C, D, B) | Beta-galactosidase | polymer | 1032 | 118637.3 | 4 | UniProt (P00723) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) | Kluyveromyces lactis (Yeast) | Beta-gal, Lactase |
| 2 | E, H, M, P (A, C, D, B) | MANGANESE (III) ION | non-polymer | 54.9 | 4 | Chemie (MN3) | |||
| 3 | F, G, I, J, K... (A, C, D, B) | GLYCEROL | non-polymer | 92.1 | 10 | Chemie (GOL) | |||
| 4 | S, T, U, V (A, C, D, B) | water | water | 18.0 | 1666 | Chemie (HOH) |
Sequence modifications
A, C, D, B: 2 - 1025 (UniProt: P00723)
| PDB | External Database | Details |
|---|---|---|
| Asp -6 | - | expression tag |
| Tyr -5 | - | expression tag |
| Lys -4 | - | expression tag |
| Asp -3 | - | expression tag |
| Asp -2 | - | expression tag |
| Asp -1 | - | expression tag |
| Asp 0 | - | expression tag |
| Lys 1 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 474549.2 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 1140.7 | |
| All* | Total formula weight | 475689.9 |
