4J0L
Crystal Structure of a Family GH19 Chitinase (W72A/E67Q mutant) from rye seeds in complex with two (GlcNAc)4 molecules
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Basic endochitinase C | polymer | 244 | 26139.2 | 1 | UniProt (Q9FRV0) Pfam (PF00182) | Secale cereale (Rye) | Rye seed chitinase-c, RSC-c |
| 2 | B, C (B, C) | 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 | 2 | In PDB GlyTouCan (G01361SX) | |||
| 3 | D (A) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 1 | Chemie (EDO) | |||
| 4 | E, F, G, H, I (A) | SULFATE ION | non-polymer | 96.1 | 5 | Chemie (SO4) | |||
| 5 | J (A) | water | water | 18.0 | 187 | Chemie (HOH) |
Sequence modifications
A: 1 - 243 (UniProt: Q9FRV0)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | expression tag |
| Gln 67 | Glu 90 | engineered mutation |
| Ala 72 | Trp 95 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 26139.2 | |
| Branched | Number of molecules | 2 |
| Total formula weight | 1661.6 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 542.4 | |
| All* | Total formula weight | 28343.1 |
