3OB8
Structure of the beta-galactosidase from Kluyveromyces lactis in complex with galactose
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, B, D, C) | 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, L, S, Z (A, B, D, C) | beta-D-galactopyranose | non-polymer | 180.2 | 4 | Chemie (GAL) | |||
| 3 | AA, F, M, T (C, A, B, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | BA, CA, DA, FA, G... (C, A, B, D) | SODIUM ION | non-polymer | 23.0 | 16 | Chemie (NA) | |||
| 5 | EA, J, Q, X (C, A, B, D) | MANGANESE (II) ION | non-polymer | 54.9 | 4 | Chemie (MN) | |||
| 6 | GA, HA, IA, JA (A, B, D, C) | water | water | 18.0 | 1047 | Chemie (HOH) |
Sequence modifications
A, B, D, C: 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 | 28 |
| Total formula weight | 1405.4 | |
| All* | Total formula weight | 475954.7 |
