6R55
Crystal structure of PPEP-1(E184K)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Pro-Pro endopeptidase | polymer | 198 | 21983.8 | 2 | UniProt (Q183R7) Pfam (PF07737) In PDB | Peptoclostridium difficile | PPEP-1,Zinc metalloprotease Zmp1 |
| 2 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | A, B | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 4 | water | water | 18.0 | 521 | 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 |
| Lys 184 | Glu 184 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 43967.5 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 375.1 | |
| All* | Total formula weight | 44342.6 |
