3N18
Crystal stricture of E145G/Y227F chitinase in complex with NAG from Bacillus cereus NCTU2
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Chitinase A | polymer | 333 | 36179.6 | 1 | UniProt (D0VV09) Pfam (PF00704) | Bacillus cereus | ChiNCTU2 |
| 2 | B (B) | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | branched | 830.8 | 1 | In PDB GlyTouCan (G01361SX) | |||
| 3 | C (A) | water | water | 18.0 | 321 | Chemie (HOH) |
Sequence modifications
A: 28 - 360 (UniProt: D0VV09)
| PDB | External Database | Details |
|---|---|---|
| Gly 145 | Glu 145 | engineered mutation |
| Phe 227 | Tyr 227 | engineered mutation |
| Val 277 | Ala 277 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 36179.6 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 830.8 | |
| All* | Total formula weight | 37010.3 |
