6ZJQ
Cold-adapted beta-D-galactosidase from Arthrobacter sp. 32cB mutant E517Q 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 | Beta-galactosidase | polymer | 1012 | 110020.7 | 1 | UniProt (A0A023UGN9) Pfam (PF02837) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) In PDB | Arthrobacter sp. 32cB | |
| 2 | A | SODIUM ION | non-polymer | 23.0 | 5 | Chemie (NA) | |||
| 3 | A | beta-D-galactopyranose | non-polymer | 180.2 | 2 | Chemie (GAL) | |||
| 4 | A | ACETATE ION | non-polymer | 59.0 | 20 | Chemie (ACT) | |||
| 5 | A | MALONATE ION | non-polymer | 102.0 | 6 | Chemie (MLI) | |||
| 6 | water | water | 18.0 | 621 | Chemie (HOH) |
Sequence modifications
A: 1 - 1010 (UniProt: A0A023UGN9)
| PDB | External Database | Details |
|---|---|---|
| Glu -1 | - | expression tag |
| Gln 0 | - | expression tag |
| Gln 517 | Glu 517 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 110020.7 | |
| Non-Polymers* | Number of molecules | 33 |
| Total formula weight | 2268.4 | |
| All* | Total formula weight | 112289.1 |
