2ET2
Crystal structure of an Asn to Ala mutant of Winged Bean Chymotrypsin Inhibitor protein
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Chymotrypsin inhibitor 3 | polymer | 186 | 20631.3 | 1 | UniProt (P10822) Pfam (PF00197) In PDB | Psophocarpus tetragonolobus (winged bean) | WCI-3 |
| 2 | A | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 3 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 4 | water | water | 18.0 | 217 | Chemie (HOH) |
Sequence modifications
A: 4 - 186 (UniProt: P10822)
| PDB | External Database | Details |
|---|---|---|
| Met 1 | - | cloning artifact |
| Glu 2 | - | cloning artifact |
| Phe 3 | - | cloning artifact |
| Ala 17 | Asn 38 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 20631.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 154.8 | |
| All* | Total formula weight | 20786.1 |
