8J3Y
Crystal structure of CBM6E E168Q in complex with oligosaccharides
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) | Putative polysaccharide-binding protein | polymer | 392 | 44554.0 | 2 | UniProt (Q21KS2) Pfam (PF11790) | Saccharophagus degradans (strain 2-40 / ATCC 43961 / DSM 17024) | |
| 2 | C (C) | beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose | branched | 828.7 | 1 | In PDB GlyTouCan (G03330ED) | |||
| 3 | D, E, F (D, E, F) | beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose-(1-3)-beta-D-glucopyranose | branched | 666.6 | 3 | In PDB GlyTouCan (G87841AX) | |||
| 4 | G, H, K (A, B) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 5 | I (A) | beta-D-glucopyranose | non-polymer | 180.2 | 1 | Chemie (BGC) | |||
| 6 | J, L (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 7 | M, N (A, B) | water | water | 18.0 | 1332 | Chemie (HOH) |
Sequence modifications
A, B: 84 - 473 (UniProt: Q21KS2)
| PDB | External Database | Details |
|---|---|---|
| His 82 | - | expression tag |
| Met 83 | - | expression tag |
| Gln 168 | Glu 168 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 89108.0 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 2828.5 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 505.0 | |
| All* | Total formula weight | 92441.5 |
