9HKI
Plunge-frozen beta-galactosidase
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, C, D) | Beta-galactosidase | polymer | 1021 | 116241.0 | 4 | UniProt (P00722) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) | Escherichia coli | Beta-gal,Lactase |
| 2 | E, H, K, N (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 3 | F, G, I, J, L... (A, B, C, D) | SODIUM ION | non-polymer | 23.0 | 8 | Chemie (NA) | |||
| 4 | Q, R, S, T (A, B, C, D) | water | water | 18.0 | 3952 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 464964.1 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 281.1 | |
| All* | Total formula weight | 465245.2 |
