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) | Peptidyl-tRNA hydrolase | polymer | 199 | 21716.0 | 2 | UniProt (Q9KQ21) Pfam (PF01195) | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | PTH | 
| 2 | C, D (A, B) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 3 | E, F (A, B) | water | water | 18.0 | 118 | Chemie (HOH) | 
Sequence modifications
A, B: 1 - 197 (UniProt: Q9KQ21)
| PDB | External Database | Details | 
|---|---|---|
| Gly -1 | - | expression tag | 
| Ala 0 | - | expression tag | 
| Val 2 | - | insertion | 
| Ala 71 | Met 70 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 43432.1 | |
| Non-Polymers* | Number of molecules | 2 | 
| Total formula weight | 46.0 | |
| All* | Total formula weight | 43478.1 | 











