3WIJ
Crystal structure of a plant class V chitinase mutant from Cycas revoluta in complex with (GlcNAc)3
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Chitinase A | polymer | 348 | 38599.5 | 1 | UniProt (Q4W6L6) Pfam (PF00704) In PDB | Cycas revoluta (Sago palm) | |
| 2 | 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 | branched | 627.6 | 1 | In PDB BIRD (PRD_900017) GlyTouCan (G47362BJ) | triacetyl-beta-chitotriose | ||
| 3 | A | 2-[3-(2-HYDROXY-1,1-DIHYDROXYMETHYL-ETHYLAMINO)-PROPYLAMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 282.3 | 1 | Chemie (B3P) | |||
| 4 | A | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 5 | water | water | 18.0 | 220 | Chemie (HOH) |
Sequence modifications
A: 1 - 347 (UniProt: Q4W6L6)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | expression tag |
| Gln 119 | Glu 142 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 38599.5 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 627.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 400.4 | |
| All* | Total formula weight | 39627.5 |
