6ZJU
Cold-adapted beta-D-galactosidase from Arthrobacter sp. 32cB mutant E441Q in complex with saccharose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Beta-galactosidase | polymer | 1010 | 109763.5 | 1 | UniProt (A0A023UGN9) Pfam (PF02837) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) | Arthrobacter sp. 32cB | |
| 2 | B, C, D (B, C, D) | beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose | branched | 342.3 | 3 | In PDB BIRD (PRD_900003) | sucrose | ||
| 3 | E, F, G, H, I (A) | ACETATE ION | non-polymer | 59.0 | 5 | Chemie (ACT) | |||
| 4 | J, K, L (A) | SODIUM ION | non-polymer | 23.0 | 3 | Chemie (NA) | |||
| 5 | M (A) | MALONATE ION | non-polymer | 102.0 | 1 | Chemie (MLI) | |||
| 6 | N (A) | water | water | 18.0 | 751 | Chemie (HOH) |
Sequence modifications
A: 1 - 1010 (UniProt: A0A023UGN9)
| PDB | External Database | Details |
|---|---|---|
| Gln 441 | Glu 441 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 109763.5 | |
| Branched | Number of molecules | 3 |
| Total formula weight | 1026.9 | |
| Non-Polymers* | Number of molecules | 9 |
| Total formula weight | 466.2 | |
| All* | Total formula weight | 111256.6 |






