2Y6K
Xylotetraose bound to X-2 engineered mutated CBM4-2 Carbohydrate Binding Module from a Thermostable Rhodothermus marinus Xylanase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | XYLANASE | polymer | 167 | 17905.7 | 1 | UniProt (Q6V8M0) Pfam (PF02018) UniProt (by SIFTS) (Q7WTN6) | RHODOTHERMUS MARINUS | CBM4-2 |
| 2 | B (B) | beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | branched | 546.5 | 1 | In PDB GlyTouCan (G60650FG) | |||
| 3 | C, D (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E (A) | CITRIC ACID | non-polymer | 192.1 | 1 | Chemie (CIT) | |||
| 5 | F (A) | water | water | 18.0 | 231 | Chemie (HOH) |
Sequence modifications
A: 2 - 166 (UniProt: Q6V8M0)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | expression tag |
| Phe 69 | Trp 68 | engineered mutation |
| Asn 70 | Asp 69 | engineered mutation |
| Gln 72 | Glu 71 | engineered mutation |
| Leu 76 | Phe 75 | engineered mutation |
| Arg 91 | Trp 90 | engineered mutation |
| Leu 110 | Phe 109 | engineered mutation |
| Asp 111 | Gln 110 | engineered mutation |
| His 118 | Glu 117 | engineered mutation |
| Leu 167 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17905.7 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 546.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 272.3 | |
| All* | Total formula weight | 18724.5 |
