6R54
Crystal structure of PPEP-1(E184A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Pro-Pro endopeptidase | polymer | 198 | 21925.6 | 2 | UniProt (Q183R7) Pfam (PF07737) | Peptoclostridium difficile | PPEP-1,Zinc metalloprotease Zmp1 |
| 2 | C, F (A, B) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 3 | D, G (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | E (A) | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 493 | Chemie (HOH) |
Sequence modifications
A, B: 27 - 220 (UniProt: Q183R7)
| PDB | External Database | Details |
|---|---|---|
| Gly 23 | - | expression tag |
| Ser 24 | - | expression tag |
| His 25 | - | expression tag |
| Met 26 | - | expression tag |
| Ala 184 | Glu 184 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 43851.3 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 433.8 | |
| All* | Total formula weight | 44285.1 |
