2ICI
Crystal Structure of Streptococcal Pyrogenic Exotoxin I
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Exotoxin I | polymer | 227 | 26251.5 | 1 | UniProt (Q8VVW1) Pfam (PF01123) Pfam (PF02876) UniProt (by SIFTS) (Q1CQP3) In PDB | Streptococcus pyogenes | |
| 2 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 3 | water | water | 18.0 | 299 | Chemie (HOH) |
Sequence modifications
A: 3 - 227 (UniProt: Q8VVW1)
| PDB | External Database | Details |
|---|---|---|
| Tyr 1 | - | cloning artifact |
| Glu 2 | - | cloning artifact |
| Mse 3 | Met 1 | modified residue |
| Mse 14 | Leu 12 | engineered mutation |
| Mse 55 | Leu 53 | engineered mutation |
| Ser 80 | Cys 78 | engineered mutation |
| Mse 190 | Leu 188 | engineered mutation |
| Mse 201 | Met 199 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 26251.5 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 24.3 | |
| All* | Total formula weight | 26275.8 |
