4BQ5
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 | B-AGARASE | polymer | 750 | 84297.2 | 2 | UniProt (Q21HC5) Pfam (PF17992) Pfam (PF02449) In PDB | SACCHAROPHAGUS DEGRADANS | FAMILY 50 GLYCOSIDE HYDROLASE |
| 2 | C, D, E, G, H | 3,6-anhydro-alpha-L-galactopyranose-(1-3)-beta-D-galactopyranose | branched | 324.3 | 5 | In PDB GlyTouCan (G45207BN) | |||
| 3 | F | 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 | 1 | In PDB GlyTouCan (G46404PO) | |||
| 4 | A | 3,6-anhydro-alpha-L-galactopyranose | non-polymer | 162.1 | 1 | Chemie (AAL) | |||
| 5 | A | beta-D-galactopyranose | non-polymer | 180.2 | 1 | Chemie (GAL) | |||
| 6 | A, B | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 7 | A, B | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 8 | water | water | 18.0 | 962 | 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 | 6 |
| Total formula weight | 2252.0 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 951.1 | |
| All* | Total formula weight | 171797.6 |
