5H6U
Structure of alginate-binding protein AlgQ2 in complex with an alginate pentasaccharide
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | AlgQ2 | polymer | 492 | 57251.7 | 2 | UniProt (Q9KWT5) Pfam (PF13416) | Sphingomonas sp. | |
| 2 | C, D (C, D) | beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid-(1-4)-beta-D-mannopyranuronic acid | branched | 898.6 | 2 | In PDB GlyTouCan (G61688UV) | |||
| 3 | E, F, G, H, I... (A, B) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 4 | K, L (A, B) | water | water | 18.0 | 552 | Chemie (HOH) |
Sequence modifications
A, B: 4 - 490 (UniProt: Q9KWT5)
| PDB | External Database | Details |
|---|---|---|
| Lys 1 | - | expression tag |
| Glu 2 | - | expression tag |
| Ala 3 | - | expression tag |
| Lys 253 | Arg 277 | engineered mutation |
| Lys 491 | - | expression tag |
| Asn 492 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 114503.4 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1797.3 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 240.5 | |
| All* | Total formula weight | 116541.2 |
