6ER4
Ruminococcus gnavus IT-sialidase CBM40 bound to alpha2,6 sialyllactose
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) | BNR/Asp-box repeat protein | polymer | 194 | 20936.5 | 2 | UniProt (A7B557) Pfam (PF02973) | Ruminococcus gnavus ATCC 29149 | CBM40 |
| 2 | C, D (C, D) | N-acetyl-alpha-neuraminic acid-(2-6)-beta-D-galactopyranose-(1-4)-beta-D-glucopyranose | branched | 633.6 | 2 | In PDB BIRD (PRD_900066) GlyTouCan (G28868ZC) | 6'-sialyl-lactose | ||
| 3 | E, G, H, I (A, B) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 4 | F (A) | PENTAETHYLENE GLYCOL | non-polymer | 238.3 | 1 | Chemie (1PE) | |||
| 5 | J, K (A, B) | water | water | 18.0 | 488 | Chemie (HOH) |
Sequence modifications
A, B: 50 - 237 (UniProt: A7B557)
| PDB | External Database | Details |
|---|---|---|
| Met 44 | - | initiating methionine |
| Ala 45 | - | expression tag |
| Asp 46 | - | expression tag |
| Ile 47 | - | expression tag |
| Gly 48 | - | expression tag |
| Ser 49 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 41872.9 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1267.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 606.7 | |
| All* | Total formula weight | 43746.7 |
