4BQ4
Structural analysis of an exo-beta-agarase
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) | B-AGARASE | polymer | 750 | 84297.2 | 2 | UniProt (Q21HC5) Pfam (PF17992) Pfam (PF02449) | SACCHAROPHAGUS DEGRADANS | FAMILY 50 GLYCOSIDE HYDROLASE |
| 2 | C, D (C, D) | 3,6-anhydro-alpha-L-galactopyranose-(1-3)-beta-D-galactopyranose-(1-4)-3,6-anhydro-alpha-L-galactopyranose-(1-3)-beta-D-galactopyranose | branched | 630.5 | 2 | In PDB GlyTouCan (G46404PO) | |||
| 3 | E, F, G, H, K... (A, B) | GLYCEROL | non-polymer | 92.1 | 8 | Chemie (GOL) | |||
| 4 | I, J, O, P (A, B) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 5 | Q, R (A, B) | water | water | 18.0 | 1236 | Chemie (HOH) |
Sequence modifications
A, B: 47 - 793 (UniProt: Q21HC5)
| PDB | External Database | Details |
|---|---|---|
| Gly 44 | - | expression tag |
| Ser 45 | - | expression tag |
| His 46 | - | expression tag |
| Gln 534 | Glu 534 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 168594.5 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1261.1 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 897.1 | |
| All* | Total formula weight | 170752.6 |
