9OJD
Crystal structure of E. coli diadenosine tetraphosphate hydrolase (ApaH)
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) | Bis(5'-nucleosyl)-tetraphosphatase [symmetrical] | polymer | 286 | 32160.5 | 2 | UniProt (P05637) Pfam (PF00149) | Escherichia coli K-12 | Ap4A hydrolase,Diadenosine 5',5'''-P1,P4-tetraphosphate pyrophosphohydrolase,Diadenosine tetraphosphatase |
| 2 | C, F (A, B) | MANGANESE (II) ION | non-polymer | 54.9 | 2 | Chemie (MN) | |||
| 3 | D, G (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | E (B) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 5 | H, I (A, B) | water | water | 18.0 | 525 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 280 (UniProt: P05637)
| PDB | External Database | Details |
|---|---|---|
| His 281 | - | expression tag |
| His 282 | - | expression tag |
| His 283 | - | expression tag |
| His 284 | - | expression tag |
| His 285 | - | expression tag |
| His 286 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 64321.1 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 396.8 | |
| All* | Total formula weight | 64717.9 |
