6R3U
Endo-levanase BT1760 mutant E221A from Bacteroides thetaiotaomicron complexed with levantetraose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Glycoside hydrolase family 32 | polymer | 508 | 57860.0 | 1 | UniProt (Q8A6W6) Pfam (PF00251) Pfam (PF16346) | Bacteroides thetaiotaomicron | |
| 2 | B (B) | beta-D-fructofuranose-(2-6)-beta-D-fructofuranose-(2-6)-beta-D-fructofuranose-(2-6)-beta-D-fructofuranose | branched | 666.6 | 1 | In PDB GlyTouCan (G94951WG) | |||
| 3 | C, D (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | E, F, G (A) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 5 | H (A) | water | water | 18.0 | 326 | Chemie (HOH) |
Sequence modifications
A: 2 - 502 (UniProt: Q8A6W6)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | initiating methionine |
| Ala 221 | Glu 242 | engineered mutation |
| His 503 | - | expression tag |
| His 504 | - | expression tag |
| His 505 | - | expression tag |
| His 506 | - | expression tag |
| His 507 | - | expression tag |
| His 508 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 57860.0 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 666.6 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 407.1 | |
| All* | Total formula weight | 58933.7 |
