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 (A, B) | B-AGARASE | polymer | 750 | 84297.2 | 2 | UniProt (Q21HC5) Pfam (PF17992) Pfam (PF02449) | SACCHAROPHAGUS DEGRADANS | FAMILY 50 GLYCOSIDE HYDROLASE |
| 2 | C, D, E, G, H (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 (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 | I (A) | 3,6-anhydro-alpha-L-galactopyranose | non-polymer | 162.1 | 1 | Chemie (AAL) PubChem (21145158) PubChem (23351209) PubChem (25083006) PubChem (49866596) PubChem (92447089) PubChem (97054549) PubChem (10313255) PubChem (54758592) PubChem (57197659) PubChem (57323795) PubChem (59646265) PubChem (59646266) PubChem (67020466) PubChem (78210297) PubChem (89292644) PubChem (93234313) PubChem (93234314) PubChem (98048946) PubChem (101213831) PubChem (101238728) PubChem (118285078) PubChem (121540581) PubChem (448931) PubChem (126694826) PubChem (126694827) PubChem (9793907) PubChem (10176263) PubChem (11848235) PubChem (13037718) PubChem (13037719) PubChem (13037720) | |||
| 5 | J (A) | beta-D-galactopyranose | non-polymer | 180.2 | 1 | Chemie (GAL) | |||
| 6 | K, O, P, Q (A, B) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) PubChem (753) | |||
| 7 | L, M, N, R, S... (A, B) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) PubChem (271) | |||
| 8 | U, V (A, B) | 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 |






