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 | B-AGARASE | polymer | 750 | 84297.2 | 2 | UniProt (Q21HC5) Pfam (PF17992) Pfam (PF02449) In PDB | SACCHAROPHAGUS DEGRADANS | FAMILY 50 GLYCOSIDE HYDROLASE |
2 | 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 | A, B | GLYCEROL | non-polymer | 92.1 | 8 | Chemie (GOL) | |||
4 | A, B | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
5 | 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 |